C07D201/00	7	Preparation, separation, purification or stabilisation of unsubstituted lactams	C07D201/00	C07D201/00		96
C07D201/02	8	Preparation of lactams	C07D201/02	C07D201/02		156
C07D201/04	9	from or via oximes by Beckmann rearrangement	C07D201/04	C07D201/04		615
C07D201/06	10	from ketones by simultaneous oxime formation and rearrangement	C07D201/06	C07D201/06		77
C07D201/08	9	from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles	C07D201/08	C07D201/08		481
C07D201/10	9	from cycloaliphatic compounds by simultaneous nitrosylation and rearrangement	C07D201/10	C07D201/10		87
C07D201/12	9	by depolymerising polyamides	C07D201/12	C07D201/12		154
C07D201/14	8	Preparation of salts or adducts of lactams	C07D201/14	C07D201/14		52
C07D201/16	8	Separation or purification	C07D201/16	C07D201/16		697
C07D201/18	8	Stabilisation	C07D201/18	C07D201/18		18
C07D203/00	7	Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom	C07D203/00	C07D203/00		5
C07D203/02	8	Preparation by ring-closure	C07D203/02	C07D203/02		91
C07D203/04	8	not condensed with other rings	C07D203/04	C07D203/04		48
C07D203/06	9	having no double bonds between ring members or between ring members and non-ring members	C07D203/06	C07D203/06		16
C07D203/08	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring nitrogen atom	C07D203/08	C07D203/08		427
C07D203/10	11	Radicals substituted by singly bound oxygen atoms	C07D203/10	C07D203/10		123
C07D203/12	11	Radicals substituted by nitrogen atoms not forming part of a nitro radical	C07D203/12	C07D203/12		144
C07D203/14	11	with carbocyclic rings directly attached to the ring nitrogen atom	C07D203/14	C07D203/14		179
C07D203/16	10	with acylated ring nitrogen atoms	C07D203/16	C07D203/16		18
C07D203/18	11	by carboxylic acids, or by sulfur or nitrogen analogues thereof	C07D203/18	C07D203/18		114
C07D203/20	11	by carbonic acid, or by sulfur or nitrogen analogues thereof, e.g. carbamates	C07D203/20	C07D203/20		159
C07D203/22	10	with hetero atoms directly attached to the ring nitrogen atom	C07D203/22	C07D203/22		26
C07D203/24	11	Sulfur atoms	C07D203/24	C07D203/24		99
C07D203/26	8	condensed with carbocyclic rings or ring systems	C07D203/26	C07D203/26		116
C07D205/00	7	Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom	C07D205/00	C07D205/00		10
C07D205/02	8	not condensed with other rings	C07D205/02	C07D205/02		27
C07D205/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D205/04	C07D205/04		1640
C07D205/06	9	having one double bond between ring members or between a ring member and a non-ring member	C07D205/06	C07D205/06		104
C07D205/08	10	with one oxygen atom directly attached in position 2, e.g. beta-lactams	C07D205/08	C07D205/08		1176
C07D205/085	11	with a nitrogen atom directly attached in position 3	C07D205/085	C07D205/085		408
C07D205/09	11	with a sulfur atom directly attached in position 4	C07D205/09	C07D205/09		215
C07D205/095	12	and with a nitrogen atom directly attached in position 3	C07D205/095	C07D205/095		313
C07D205/10	9	having two double bonds between ring members or between ring members and non-ring members	C07D205/10	C07D205/10		57
C07D205/12	8	condensed with carbocyclic rings or ring systems	C07D205/12	C07D205/12		200
C07D207/00	7	Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom<br><br><u>NOTE</u><br><br> Pyrrolidines having only hydrogen atoms attached to the ring carbon atoms are classified in C07D295/00	C07D207/00	C07D207/00		63
C07D207/02	8	with only hydrogen or carbon atoms directly attached to the ring nitrogen atom	C07D207/02	C07D207/02		68
C07D207/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D207/04	C07D207/04		216
C07D207/06	10	with radicals, containing only hydrogen and carbon atoms, attached to ring carbon atoms	C07D207/06	C07D207/06		759
C07D207/08	10	with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms	C07D207/08	C07D207/08		1689
C07D207/09	11	Radicals substituted by nitrogen atoms, not forming part of a nitro radical	C07D207/09	C07D207/09		1004
C07D207/10	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D207/10	C07D207/10		282
C07D207/12	11	Oxygen or sulfur atoms	C07D207/12	C07D207/12		1385
C07D207/14	11	Nitrogen atoms not forming part of a nitro radical	C07D207/14	C07D207/14		839
C07D207/16	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D207/16	C07D207/16		3126
C07D207/18	9	having one double bond between ring members or between a ring member and a non-ring member	C07D207/18	C07D207/18		29
C07D207/20	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D207/20	C07D207/20		588
C07D207/22	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D207/22	C07D207/22		498
C07D207/24	11	Oxygen or sulfur atoms	C07D207/24	C07D207/24		304
C07D207/26	12	2-Pyrrolidones	C07D207/26	C07D207/26		779
C07D207/263	13	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms	C07D207/263	C07D207/263		95
C07D207/267	14	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom	C07D207/267	C07D207/267		1008
C07D207/27	14	with substituted hydrocarbon radicals directly attached to the ring nitrogen atom	C07D207/27	C07D207/27		1227
C07D207/273	13	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms	C07D207/273	C07D207/273		627
C07D207/277	14	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D207/277	C07D207/277		315
C07D207/28	15	2-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles	C07D207/28	C07D207/28		462
C07D207/30	9	having two double bonds between ring members or between ring members and non-ring members	C07D207/30	C07D207/30		50
C07D207/32	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D207/32	C07D207/32		162
C07D207/323	11	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atoms	C07D207/323	C07D207/323		361
C07D207/325	11	with substituted hydrocarbon radicals directly attached to the ring nitrogen atom	C07D207/325	C07D207/325		481
C07D207/327	12	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D207/327	C07D207/327		340
C07D207/33	11	with substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D207/33	C07D207/33		146
C07D207/333	12	Radicals substituted by oxygen or sulfur atoms	C07D207/333	C07D207/333		697
C07D207/335	12	Radicals substituted by nitrogen atoms not forming part of a nitro radical	C07D207/335	C07D207/335		545
C07D207/337	12	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D207/337	C07D207/337		512
C07D207/34	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D207/34	C07D207/34		1968
C07D207/36	11	Oxygen or sulfur atoms	C07D207/36	C07D207/36		397
C07D207/38	12	2-Pyrrolones	C07D207/38	C07D207/38		589
C07D207/40	12	2,5-Pyrrolidine-diones	C07D207/40	C07D207/40		284
C07D207/404	13	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. succinimide	C07D207/404	C07D207/404		674
C07D207/408	14	Radicals containing only hydrogen and carbon atoms attached to ring carbon atoms	C07D207/408	C07D207/408		231
C07D207/412	15	Acyclic radicals containing more than six carbon atoms	C07D207/412	C07D207/412		229
C07D207/416	13	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms	C07D207/416	C07D207/416		399
C07D207/42	11	Nitro radicals	C07D207/42	C07D207/42		132
C07D207/44	9	having three double bonds between ring members or between ring members and non-ring members	C07D207/44	C07D207/44		288
C07D207/444	10	having two doubly-bound oxygen atoms directly attached in positions 2 and 5	C07D207/444	C07D207/444		113
C07D207/448	11	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. maleimide	C07D207/448	C07D207/448		445
C07D207/452	12	with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom	C07D207/452	C07D207/452		771
C07D207/456	11	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms	C07D207/456	C07D207/456		241
C07D207/46	8	with hetero atoms directly attached to the ring nitrogen atom	C07D207/46	C07D207/46		849
C07D207/48	9	Sulfur atoms	C07D207/48	C07D207/48		635
C07D207/50	9	Nitrogen atoms	C07D207/50	C07D207/50		205
C07D209/00	7	Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom	C07D209/00	C07D209/00		66
C07D209/02	8	condensed with one carbocyclic ring	C07D209/02	C07D209/02		187
C07D209/04	9	Indoles; Hydrogenated indoles	C07D209/04	C07D209/04		406
C07D209/06	10	Preparation of indole from coal-tar	C07D209/06	C07D209/06		35
C07D209/08	10	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring	C07D209/08	C07D209/08		4343
C07D209/10	10	with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring	C07D209/10	C07D209/10		714
C07D209/12	11	Radicals substituted by oxygen atoms	C07D209/12	C07D209/12		1840
C07D209/14	11	Radicals substituted by nitrogen atoms, not forming part of a nitro radical	C07D209/14	C07D209/14		1999
C07D209/16	12	Tryptamines	C07D209/16	C07D209/16		1043
C07D209/18	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D209/18	C07D209/18		1319
C07D209/20	12	substituted additionally by nitrogen atoms, e.g. tryptophane	C07D209/20	C07D209/20		1237
C07D209/22	12	with an aralkyl radical attached to the ring nitrogen atom	C07D209/22	C07D209/22		173
C07D209/24	12	with an alkyl or cycloalkyl radical attached to the ring nitrogen atom	C07D209/24	C07D209/24		404
C07D209/26	12	with an acyl radical attached to the ring nitrogen atom	C07D209/26	C07D209/26		373
C07D209/28	13	1-(4-Chlorobenzoyl)-2-methyl-indolyl-3-acetic acid, substituted in position 5 by an oxygen or nitrogen atom; Esters thereof	C07D209/28	C07D209/28		387
C07D209/30	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring	C07D209/30	C07D209/30		715
C07D209/32	11	Oxygen atoms	C07D209/32	C07D209/32		172
C07D209/34	12	in position 2	C07D209/34	C07D209/34		1481
C07D209/36	12	in position 3, e.g. adrenochrome	C07D209/36	C07D209/36		315
C07D209/38	12	in positions 2 and 3, e.g. isatin	C07D209/38	C07D209/38		473
C07D209/40	11	Nitrogen atoms, not forming part of a nitro radical, e.g. isatin semicarbazone	C07D209/40	C07D209/40		560
C07D209/42	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D209/42	C07D209/42		2196
C07D209/43	10	with an &#8212;OCH2CH(OH)CH2NH2 radical, which may be further substituted, attached in positions 4, 5, 6 or 7	C07D209/43	C07D209/43		7
C07D209/44	9	Iso-indoles; Hydrogenated iso-indoles	C07D209/44	C07D209/44		1185
C07D209/46	10	with an oxygen atom in position 1	C07D209/46	C07D209/46		862
C07D209/48	10	with oxygen atoms in positions 1 and 3, e.g. phthalimide	C07D209/48	C07D209/48		4140
C07D209/49	11	and having in the molecule an acyl radical containing a saturated three-membered ring, e.g. chrysanthemumic acid esters	C07D209/49	C07D209/49		87
C07D209/50	10	with oxygen and nitrogen atoms in positions 1 and 3	C07D209/50	C07D209/50		131
C07D209/52	9	condensed with a ring other than six-membered	C07D209/52	C07D209/52		1156
C07D209/54	9	Spiro-condensed	C07D209/54	C07D209/54		415
C07D209/56	8	Ring systems containing three or more rings	C07D209/56	C07D209/56		459
C07D209/58	9	[b]- or [c]-condensed	C07D209/58	C07D209/58		241
C07D209/60	10	Naphtho [b] pyrroles; Hydrogenated naphtho [b] pyrroles	C07D209/60	C07D209/60		548
C07D209/62	10	Naphtho [c] pyrroles; Hydrogenated naphtho [c] pyrroles	C07D209/62	C07D209/62		100
C07D209/64	11	with an oxygen atom in position 1	C07D209/64	C07D209/64		49
C07D209/66	11	with oxygen atoms in positions 1 and 3	C07D209/66	C07D209/66		85
C07D209/68	11	with oxygen and nitrogen atoms in positions 1 and 3	C07D209/68	C07D209/68		7
C07D209/70	10	containing carbocyclic rings other than six-membered	C07D209/70	C07D209/70		286
C07D209/72	10	4,7-Endo-alkylene-iso-indoles	C07D209/72	C07D209/72		70
C07D209/74	11	with an oxygen atom in position 1	C07D209/74	C07D209/74		6
C07D209/76	11	with oxygen atoms in positions 1 and 3	C07D209/76	C07D209/76		312
C07D209/78	11	with oxygen and nitrogen atoms in positions 1 and 3	C07D209/78	C07D209/78		7
C07D209/80	9	[b, c]- or [b, d]-condensed	C07D209/80	C07D209/80		748
C07D209/82	10	Carbazoles; Hydrogenated carbazoles	C07D209/82	C07D209/82		1489
C07D209/84	11	Separation, e.g. from tar; Purification	C07D209/84	C07D209/84		112
C07D209/86	11	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system	C07D209/86	C07D209/86		4050
C07D209/88	11	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system	C07D209/88	C07D209/88		2470
C07D209/90	10	Benzo [c, d] indoles; Hydrogenated benzo [c, d] indoles	C07D209/90	C07D209/90		275
C07D209/92	11	Naphthostyrils	C07D209/92	C07D209/92		120
C07D209/94	10	containing carbocyclic rings other than six-membered	C07D209/94	C07D209/94		717
C07D209/96	9	Spiro-condensed ring systems	C07D209/96	C07D209/96		577
C07D211/00	7	Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings<br><br><u>NOTE</u><br><br>In this group, the following term is used with the meaning indicated: <br>"hydrogenated" means having less than three double bonds between ring members or between ring members and non-ring members.<br> Piperidines having only hydrogen atoms attached to the ring carbon atoms are classified in C07D295/00	C07D211/00	C07D211/00		85
C07D211/02	8	Preparation by ring-closure or hydrogenation	C07D211/02	C07D211/02		358
C07D211/04	8	with only hydrogen or carbon atoms directly attached to the ring nitrogen atom	C07D211/04	C07D211/04		46
C07D211/06	9	having no double bonds between ring members or between ring members and non-ring members	C07D211/06	C07D211/06		190
C07D211/08	10	with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms	C07D211/08	C07D211/08		168
C07D211/10	11	with radicals containing only carbon and hydrogen atoms attached to ring carbon atoms	C07D211/10	C07D211/10		90
C07D211/12	12	with only hydrogen atoms attached to the ring nitrogen atom	C07D211/12	C07D211/12		265
C07D211/14	12	with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom	C07D211/14	C07D211/14		1228
C07D211/16	12	with acylated ring nitrogen atom	C07D211/16	C07D211/16		518
C07D211/18	11	with substituted hydrocarbon radicals attached to ring carbon atoms	C07D211/18	C07D211/18		544
C07D211/20	12	with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms	C07D211/20	C07D211/20		133
C07D211/22	13	by oxygen atoms	C07D211/22	C07D211/22		1931
C07D211/24	13	by sulfur atoms to which a second hetero atom is attached	C07D211/24	C07D211/24		134
C07D211/26	12	with hydrocarbon radicals, substituted by nitrogen atoms	C07D211/26	C07D211/26		1221
C07D211/28	13	to which a second hetero atom is attached	C07D211/28	C07D211/28		200
C07D211/30	12	with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom	C07D211/30	C07D211/30		44
C07D211/32	13	by oxygen atoms	C07D211/32	C07D211/32		807
C07D211/34	12	with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D211/34	C07D211/34		985
C07D211/36	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D211/36	C07D211/36		73
C07D211/38	11	Halogen atoms or nitro radicals	C07D211/38	C07D211/38		338
C07D211/40	11	Oxygen atoms	C07D211/40	C07D211/40		153
C07D211/42	12	attached in position 3 or 5	C07D211/42	C07D211/42		614
C07D211/44	12	attached in position 4	C07D211/44	C07D211/44		311
C07D211/46	13	having a hydrogen atom as the second substituent in position 4	C07D211/46	C07D211/46		2065
C07D211/48	13	having an acyclic carbon atom attached in position 4	C07D211/48	C07D211/48		329
C07D211/50	14	Aroyl radical	C07D211/50	C07D211/50		26
C07D211/52	13	having an aryl radical as the second substituent in position 4	C07D211/52	C07D211/52		612
C07D211/54	11	Sulfur atoms	C07D211/54	C07D211/54		266
C07D211/56	11	Nitrogen atoms (nitro radicals C07D211/38)	C07D211/56	C07D211/56		592
C07D211/58	12	attached in position 4	C07D211/58	C07D211/58		2488
C07D211/60	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D211/60	C07D211/60		1545
C07D211/62	12	attached in position 4	C07D211/62	C07D211/62		1078
C07D211/64	13	having an aryl radical as the second substituent in position 4	C07D211/64	C07D211/64		355
C07D211/66	13	having a hetero atom as the second substituent in position 4	C07D211/66	C07D211/66		238
C07D211/68	9	having one double bond between ring members or between a ring member and a non-ring member	C07D211/68	C07D211/68		53
C07D211/70	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D211/70	C07D211/70		1229
C07D211/72	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms	C07D211/72	C07D211/72		437
C07D211/74	11	Oxygen atoms	C07D211/74	C07D211/74		621
C07D211/76	12	attached in position 2 or 6	C07D211/76	C07D211/76		875
C07D211/78	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D211/78	C07D211/78		464
C07D211/80	9	having two double bonds between ring members or between ring members and non-ring members	C07D211/80	C07D211/80		48
C07D211/82	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D211/82	C07D211/82		230
C07D211/84	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen directly attached to ring carbon atoms	C07D211/84	C07D211/84		89
C07D211/86	11	Oxygen atoms	C07D211/86	C07D211/86		338
C07D211/88	12	attached in positions 2 and 6, e.g. glutarimide	C07D211/88	C07D211/88		492
C07D211/90	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D211/90	C07D211/90		1269
C07D211/92	8	with a hetero atom directly attached to the ring nitrogen atom	C07D211/92	C07D211/92		51
C07D211/94	9	Oxygen atom, e.g. piperidine N-oxide	C07D211/94	C07D211/94		665
C07D211/96	9	Sulfur atom	C07D211/96	C07D211/96		726
C07D211/98	9	Nitrogen atom	C07D211/98	C07D211/98		156
C07D213/00	7	Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members	C07D213/00	C07D213/00		99
C07D213/02	8	having three double bonds between ring members or between ring members and non-ring members	C07D213/02	C07D213/02		127
C07D213/04	9	having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom	C07D213/04	C07D213/04		249
C07D213/06	10	containing only hydrogen and carbon atoms in addition to the ring nitrogen atom	C07D213/06	C07D213/06		970
C07D213/08	11	Preparation by ring-closure	C07D213/08	C07D213/08		254
C07D213/09	12	involving the use of ammonia, amines, amine salts, or nitriles	C07D213/09	C07D213/09		55
C07D213/10	13	from acetaldehyde or cyclic polymers thereof	C07D213/10	C07D213/10		138
C07D213/12	13	from unsaturated compounds	C07D213/12	C07D213/12		195
C07D213/127	11	Preparation from compounds containing pyridine rings	C07D213/127	C07D213/127		523
C07D213/133	11	Preparation by dehydrogenation of hydrogenated pyridine compounds	C07D213/133	C07D213/133		21
C07D213/14	11	Preparation from compounds containing heterocyclic oxygen	C07D213/14	C07D213/14		100
C07D213/16	11	containing only one pyridine ring	C07D213/16	C07D213/16		1123
C07D213/18	12	Salts thereof	C07D213/18	C07D213/18		161
C07D213/20	12	Quaternary compounds thereof	C07D213/20	C07D213/20		1032
C07D213/22	11	containing two or more pyridine rings directly linked together, e.g. bipyridyl	C07D213/22	C07D213/22		874
C07D213/24	10	with substituted hydrocarbon radicals attached to ring carbon atoms	C07D213/24	C07D213/24		192
C07D213/26	11	Radicals substituted by halogen atoms or nitro radicals	C07D213/26	C07D213/26		864
C07D213/28	11	Radicals substituted by singly-bound oxygen or sulphur atoms	C07D213/28	C07D213/28		53
C07D213/30	12	Oxygen atoms	C07D213/30	C07D213/30		3041
C07D213/32	12	Sulfur atoms	C07D213/32	C07D213/32		473
C07D213/34	13	to which a second hetero atom is attached	C07D213/34	C07D213/34		283
C07D213/36	11	Radicals substituted by singly-bound nitrogen atoms (nitro radicals C07D213/26)	C07D213/36	C07D213/36		344
C07D213/38	12	having only hydrogen or hydrocarbon radicals attached to the substituent nitrogen atom	C07D213/38	C07D213/38		2518
C07D213/40	12	Acylated substituent nitrogen atom	C07D213/40	C07D213/40		1674
C07D213/42	12	having hetero atoms attached to the substituent nitrogen atom (nitro radicals C07D213/26)	C07D213/42	C07D213/42		439
C07D213/44	11	Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom	C07D213/44	C07D213/44		24
C07D213/46	12	Oxygen atoms	C07D213/46	C07D213/46		96
C07D213/48	13	Aldehydo radicals	C07D213/48	C07D213/48		288
C07D213/50	13	Ketonic radicals	C07D213/50	C07D213/50		1268
C07D213/51	13	Acetal radicals	C07D213/51	C07D213/51		64
C07D213/52	12	Sulfur atoms	C07D213/52	C07D213/52		43
C07D213/53	12	Nitrogen atoms	C07D213/53	C07D213/53		1015
C07D213/54	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D213/54	C07D213/54		144
C07D213/55	12	Acids; Esters	C07D213/55	C07D213/55		1155
C07D213/56	12	Amides	C07D213/56	C07D213/56		1197
C07D213/57	12	Nitriles	C07D213/57	C07D213/57		721
C07D213/58	12	Amidines	C07D213/58	C07D213/58		49
C07D213/59	12	with at least one of the bonds being to sulfur	C07D213/59	C07D213/59		88
C07D213/60	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D213/60	C07D213/60		103
C07D213/61	11	Halogen atoms or nitro radicals	C07D213/61	C07D213/61		3136
C07D213/62	11	Oxygen or sulfur atoms	C07D213/62	C07D213/62		90
C07D213/63	12	One oxygen atom	C07D213/63	C07D213/63		305
C07D213/64	13	attached in position 2 or 6	C07D213/64	C07D213/64		2477
C07D213/643	14	2-Phenoxypyridines; Derivatives thereof	C07D213/643	C07D213/643		805
C07D213/647	14	and having in the molecule an acyl radical containing a saturated three-membered ring, e.g. chrysanthemumic acid esters	C07D213/647	C07D213/647		94
C07D213/65	13	attached in position 3 or 5	C07D213/65	C07D213/65		1375
C07D213/66	14	having in position 3 an oxygen atom and in each of the positions 4 and 5 a carbon atom bound to an oxygen, sulphur, or nitrogen atom, e.g. pyridoxal	C07D213/66	C07D213/66		232
C07D213/67	15	2-Methyl-3-hydroxy-4,5-bis(hydroxy-methyl)pyridine, i.e. pyridoxine	C07D213/67	C07D213/67		253
C07D213/68	13	attached in position 4	C07D213/68	C07D213/68		909
C07D213/69	12	Two or more oxygen atoms	C07D213/69	C07D213/69		875
C07D213/70	12	Sulfur atoms	C07D213/70	C07D213/70		1246
C07D213/71	13	to which a second hetero atom is attached	C07D213/71	C07D213/71		917
C07D213/72	11	Nitrogen atoms (nitro radicals C07D213/61)	C07D213/72	C07D213/72		257
C07D213/73	12	Unsubstituted amino or imino radicals	C07D213/73	C07D213/73		1754
C07D213/74	12	Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals	C07D213/74	C07D213/74		3740
C07D213/75	12	Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates	C07D213/75	C07D213/75		3237
C07D213/76	12	to which a second hetero atom is attached (nitro radicals C07D213/61)	C07D213/76	C07D213/76		773
C07D213/77	13	Hydrazine radicals	C07D213/77	C07D213/77		411
C07D213/78	11	Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D213/78	C07D213/78		468
C07D213/79	12	Acids; Esters	C07D213/79	C07D213/79		1590
C07D213/80	13	in position 3	C07D213/80	C07D213/80		2650
C07D213/803	13	Processes of preparation	C07D213/803	C07D213/803		1242
C07D213/807	14	by oxidation of pyridines or condensed pyridines	C07D213/807	C07D213/807		69
C07D213/81	12	Amides; Imides	C07D213/81	C07D213/81		2840
C07D213/82	13	in position 3	C07D213/82	C07D213/82		3259
C07D213/83	12	Thioacids; Thioesters; Thioamides; Thioimides	C07D213/83	C07D213/83		247
C07D213/84	12	Nitriles	C07D213/84	C07D213/84		997
C07D213/85	13	in position 3	C07D213/85	C07D213/85		1369
C07D213/86	12	Hydrazides; Thio or imino analogues thereof	C07D213/86	C07D213/86		462
C07D213/87	13	in position 3	C07D213/87	C07D213/87		152
C07D213/88	12	Nicotinoylhydrazones	C07D213/88	C07D213/88		50
C07D213/89	9	with hetero atoms directly attached to the ring nitrogen atom	C07D213/89	C07D213/89		1644
C07D213/90	8	having more than three double bonds between ring members or between ring members and non-ring members	C07D213/90	C07D213/90		66
C07D215/00	7	Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems	C07D215/00	C07D215/00		72
C07D215/02	8	having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom	C07D215/02	C07D215/02		70
C07D215/04	9	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to the ring carbon atoms	C07D215/04	C07D215/04		527
C07D215/06	10	having only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to the ring nitrogen atom	C07D215/06	C07D215/06		963
C07D215/08	10	with acylated ring nitrogen atom	C07D215/08	C07D215/08		274
C07D215/10	10	Quaternary compounds	C07D215/10	C07D215/10		229
C07D215/12	9	with substituted hydrocarbon radicals attached to ring carbon atoms	C07D215/12	C07D215/12		1504
C07D215/14	10	Radicals substituted by oxygen atoms	C07D215/14	C07D215/14		1456
C07D215/16	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D215/16	C07D215/16		74
C07D215/18	10	Halogen atoms or nitro radicals	C07D215/18	C07D215/18		1255
C07D215/20	10	Oxygen atoms	C07D215/20	C07D215/20		1245
C07D215/22	11	attached in position 2 or 4	C07D215/22	C07D215/22		805
C07D215/227	12	only one oxygen atom which is attached in position 2	C07D215/227	C07D215/227		1165
C07D215/233	12	only one oxygen atom which is attached in position 4	C07D215/233	C07D215/233		850
C07D215/24	11	attached in position 8	C07D215/24	C07D215/24		128
C07D215/26	12	Alcohols; Ethers thereof	C07D215/26	C07D215/26		856
C07D215/28	13	with halogen atoms or nitro radicals in positions 5, 6 or 7	C07D215/28	C07D215/28		224
C07D215/30	13	Metal salts; Chelates	C07D215/30	C07D215/30		180
C07D215/32	13	Esters	C07D215/32	C07D215/32		137
C07D215/34	14	Carbamates	C07D215/34	C07D215/34		41
C07D215/36	10	Sulfur atoms (C07D215/24 takes precedence)	C07D215/36	C07D215/36		847
C07D215/38	10	Nitrogen atoms (nitro radicals C07D215/18)	C07D215/38	C07D215/38		1798
C07D215/40	11	attached in position 8	C07D215/40	C07D215/40		674
C07D215/42	11	attached in position 4	C07D215/42	C07D215/42		633
C07D215/44	12	with aryl radicals attached to said nitrogen atoms	C07D215/44	C07D215/44		390
C07D215/46	12	with hydrocarbon radicals, substituted by nitrogen atoms, attached to said nitrogen atoms	C07D215/46	C07D215/46		426
C07D215/48	10	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D215/48	C07D215/48		1567
C07D215/50	11	attached in position 4	C07D215/50	C07D215/50		441
C07D215/52	12	with aryl radicals attached in position 2	C07D215/52	C07D215/52		288
C07D215/54	11	attached in position 3	C07D215/54	C07D215/54		842
C07D215/56	12	with oxygen atoms in position 4	C07D215/56	C07D215/56		1147
C07D215/58	8	with hetero atoms directly attached to the ring nitrogen atom	C07D215/58	C07D215/58		211
C07D215/60	9	N-oxides	C07D215/60	C07D215/60		197
C07D217/00	7	Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems	C07D217/00	C07D217/00		53
C07D217/02	8	with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines	C07D217/02	C07D217/02		1096
C07D217/04	9	with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom	C07D217/04	C07D217/04		997
C07D217/06	9	with the ring nitrogen atom acylated by carboxylic or carbonic acids, or with sulfur or nitrogen analogues thereof, e.g. carbamates	C07D217/06	C07D217/06		625
C07D217/08	9	with a hetero atom directly attached to the ring nitrogen atom	C07D217/08	C07D217/08		179
C07D217/10	9	Quaternary compounds	C07D217/10	C07D217/10		233
C07D217/12	8	with radicals, substituted by hetero atoms, attached to carbon atoms of the nitrogen-containing ring	C07D217/12	C07D217/12		101
C07D217/14	9	other than aralkyl radicals	C07D217/14	C07D217/14		580
C07D217/16	10	substituted by oxygen atoms	C07D217/16	C07D217/16		555
C07D217/18	9	Aralkyl radicals	C07D217/18	C07D217/18		218
C07D217/20	10	with oxygen atoms directly attached to the aromatic ring of said aralkyl radical, e.g. papaverine	C07D217/20	C07D217/20		526
C07D217/22	8	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring	C07D217/22	C07D217/22		760
C07D217/24	9	Oxygen atoms	C07D217/24	C07D217/24		1173
C07D217/26	9	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D217/26	C07D217/26		1054
C07D219/00	7	Heterocyclic compounds containing acridine or hydrogenated acridine ring systems	C07D219/00	C07D219/00		22
C07D219/02	8	with only hydrogen, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system	C07D219/02	C07D219/02		703
C07D219/04	8	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system	C07D219/04	C07D219/04		291
C07D219/06	9	Oxygen atoms	C07D219/06	C07D219/06		433
C07D219/08	9	Nitrogen atoms	C07D219/08	C07D219/08		372
C07D219/10	10	attached in position 9	C07D219/10	C07D219/10		319
C07D219/12	11	Amino-alkylamino radicals attached in position 9	C07D219/12	C07D219/12		159
C07D219/14	8	with hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen atom	C07D219/14	C07D219/14		178
C07D219/16	8	with acyl radicals, substituted by nitrogen atoms, attached to the ring nitrogen atom	C07D219/16	C07D219/16		28
C07D221/00	7	Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00&#160;-&#160;C07D219/00	C07D221/00	C07D221/00		70
C07D221/02	8	condensed with carbocyclic rings or ring systems	C07D221/02	C07D221/02		32
C07D221/04	9	Ortho- or peri-condensed ring systems	C07D221/04	C07D221/04		544
C07D221/06	10	Ring systems of three rings	C07D221/06	C07D221/06		172
C07D221/08	11	Aza-anthracenes	C07D221/08	C07D221/08		205
C07D221/10	11	Aza-phenanthrenes	C07D221/10	C07D221/10		404
C07D221/12	12	Phenanthridines	C07D221/12	C07D221/12		472
C07D221/14	11	Aza-phenalenes, e.g. 1,8-naphthalimide	C07D221/14	C07D221/14		881
C07D221/16	11	containing carbocyclic rings other than six-membered	C07D221/16	C07D221/16		599
C07D221/18	10	Ring systems of four or more rings	C07D221/18	C07D221/18		1142
C07D221/20	9	Spiro-condensed ring systems	C07D221/20	C07D221/20		926
C07D221/22	9	Bridged ring systems	C07D221/22	C07D221/22		555
C07D221/24	10	Camphidines	C07D221/24	C07D221/24		90
C07D221/26	10	Benzomorphans	C07D221/26	C07D221/26		240
C07D221/28	10	Morphinans	C07D221/28	C07D221/28		377
C07D223/00	7	Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom<br><br><u>NOTE</u><br><br> Hexamethylene imines or 3-azabicyclo [3.2.2] nonanes, having only hydrogen atoms attached to the ring carbon atoms, are classified in group C07D295/00.	C07D223/00	C07D223/00		16
C07D223/02	8	not condensed with other rings	C07D223/02	C07D223/02		9
C07D223/04	9	with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D223/04	C07D223/04		356
C07D223/06	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms (halogen atoms C07D223/04)	C07D223/06	C07D223/06		139
C07D223/08	10	Oxygen atoms	C07D223/08	C07D223/08		115
C07D223/10	11	attached in position 2	C07D223/10	C07D223/10		1080
C07D223/12	10	Nitrogen atoms not forming part of a nitro radical	C07D223/12	C07D223/12		341
C07D223/14	8	condensed with carbocyclic rings or ring systems	C07D223/14	C07D223/14		193
C07D223/16	9	Benzazepines; Hydrogenated benzazepines	C07D223/16	C07D223/16		1113
C07D223/18	9	Dibenzazepines; Hydrogenated dibenzazepines	C07D223/18	C07D223/18		100
C07D223/20	10	Dibenz [b, e] azepines; Hydrogenated dibenz [b, e] azepines	C07D223/20	C07D223/20		174
C07D223/22	10	Dibenz [b, f] azepines; Hydrogenated dibenz [b, f] azepines	C07D223/22	C07D223/22		367
C07D223/24	11	with hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen atom	C07D223/24	C07D223/24		47
C07D223/26	12	having a double bond between positions 10 and 11	C07D223/26	C07D223/26		123
C07D223/28	12	having a single bond between positions 10 and 11	C07D223/28	C07D223/28		196
C07D223/30	11	with hetero atoms directly attached to the ring nitrogen atom	C07D223/30	C07D223/30		11
C07D223/32	9	containing carbocyclic rings other than six-membered	C07D223/32	C07D223/32		123
C07D225/00	7	Heterocyclic compounds containing rings of more than seven members having one nitrogen atom as the only ring hetero atom<br><br><u>NOTE</u><br><br> Polymethyleneimines with at least five ring members and having only hydrogen atoms attached to the ring carbon atoms are classified in group C07D295/00.	C07D225/00	C07D225/00		19
C07D225/02	8	not condensed with other rings	C07D225/02	C07D225/02		304
C07D225/04	8	condensed with carbocyclic rings or ring systems	C07D225/04	C07D225/04		55
C07D225/06	9	condensed with one six-membered ring	C07D225/06	C07D225/06		198
C07D225/08	9	condensed with two six-membered rings	C07D225/08	C07D225/08		102
C07D227/00	7	Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00&#160;-&#160;C07D225/00<br><br><u>NOTE</u><br><br> Polymethyleneimines with at least five ring members and having only hydrogen atoms attached to the ring carbon atoms are classified in group C07D295/00.	C07D227/00	C07D227/00		11
C07D227/02	8	with only hydrogen or carbon atoms directly attached to the ring nitrogen atom	C07D227/02	C07D227/02		10
C07D227/04	9	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms	C07D227/04	C07D227/04		34
C07D227/06	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D227/06	C07D227/06		9
C07D227/08	10	Oxygen atoms	C07D227/08	C07D227/08		46
C07D227/087	11	One doubly-bound oxygen atom in position 2, e.g. lactams	C07D227/087	C07D227/087		46
C07D227/093	11	Two doubly-bound oxygen atoms attached to the carbon atoms adjacent to the ring nitrogen atom, e.g. dicarboxylic acid imides	C07D227/093	C07D227/093		3
C07D227/10	10	Nitrogen atoms not forming part of a nitro radical	C07D227/10	C07D227/10		29
C07D227/12	8	with hetero atoms directly attached to the ring nitrogen atom	C07D227/12	C07D227/12		4
C07D229/00	7	Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms	C07D229/00	C07D229/00		223
C07D229/02	8	containing three-membered rings	C07D229/02	C07D229/02		90
C07D231/00	7	Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings	C07D231/00	C07D231/00		37
C07D231/02	8	not condensed with other rings	C07D231/02	C07D231/02		21
C07D231/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D231/04	C07D231/04		128
C07D231/06	9	having one double bond between ring members or between a ring member and a non-ring member	C07D231/06	C07D231/06		760
C07D231/08	10	with oxygen or sulfur atoms directly attached to ring carbon atoms	C07D231/08	C07D231/08		237
C07D231/10	9	having two or three double bonds between ring members or between ring members and non-ring members	C07D231/10	C07D231/10		100
C07D231/12	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D231/12	C07D231/12		7825
C07D231/14	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D231/14	C07D231/14		1899
C07D231/16	11	Halogen atoms or nitro radicals	C07D231/16	C07D231/16		999
C07D231/18	11	One oxygen or sulfur atom	C07D231/18	C07D231/18		620
C07D231/20	12	One oxygen atom attached in position 3 or 5	C07D231/20	C07D231/20		903
C07D231/22	13	with aryl radicals attached to ring nitrogen atoms	C07D231/22	C07D231/22		724
C07D231/24	14	having sulfone or sulfonic acid radicals in the molecule	C07D231/24	C07D231/24		121
C07D231/26	14	1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring	C07D231/26	C07D231/26		474
C07D231/28	11	Two oxygen or sulfur atoms	C07D231/28	C07D231/28		102
C07D231/30	12	attached in positions 3 and 5	C07D231/30	C07D231/30		35
C07D231/32	13	Oxygen atoms	C07D231/32	C07D231/32		142
C07D231/34	14	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached in position 4	C07D231/34	C07D231/34		116
C07D231/36	14	with hydrocarbon radicals, substituted by hetero atoms, attached in position 4	C07D231/36	C07D231/36		118
C07D231/38	11	Nitrogen atoms (nitro radicals C07D231/16)	C07D231/38	C07D231/38		1309
C07D231/40	12	Acylated on said nitrogen atom	C07D231/40	C07D231/40		764
C07D231/42	12	Benzene-sulfonamido pyrazoles	C07D231/42	C07D231/42		132
C07D231/44	11	Oxygen and nitrogen or sulfur and nitrogen atoms	C07D231/44	C07D231/44		266
C07D231/46	12	Oxygen atom in position 3 or 5 and nitrogen atom in position 4	C07D231/46	C07D231/46		239
C07D231/48	13	with hydrocarbon radicals attached to said nitrogen atom	C07D231/48	C07D231/48		201
C07D231/50	13	Acylated on said nitrogen atom	C07D231/50	C07D231/50		85
C07D231/52	12	Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa	C07D231/52	C07D231/52		443
C07D231/54	8	condensed with carbocyclic rings or ring systems	C07D231/54	C07D231/54		635
C07D231/56	9	Benzopyrazoles; Hydrogenated benzopyrazoles	C07D231/56	C07D231/56		2510
C07D233/00	7	Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings	C07D233/00	C07D233/00		76
C07D233/02	8	having no double bonds between ring members or between ring members and non-ring members	C07D233/02	C07D233/02		248
C07D233/04	8	having one double bond between ring members or between a ring member and a non-ring member	C07D233/04	C07D233/04		67
C07D233/06	9	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms	C07D233/06	C07D233/06		442
C07D233/08	10	with alkyl radicals, containing more than four carbon atoms, directly attached to ring carbon atoms	C07D233/08	C07D233/08		44
C07D233/10	11	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring nitrogen atoms	C07D233/10	C07D233/10		146
C07D233/12	11	with substituted hydrocarbon radicals attached to ring nitrogen atoms	C07D233/12	C07D233/12		53
C07D233/14	12	Radicals substituted by oxygen atoms	C07D233/14	C07D233/14		229
C07D233/16	12	Radicals substituted by nitrogen atoms	C07D233/16	C07D233/16		278
C07D233/18	12	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D233/18	C07D233/18		68
C07D233/20	9	with substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D233/20	C07D233/20		244
C07D233/22	10	Radicals substituted by oxygen atoms	C07D233/22	C07D233/22		470
C07D233/24	10	Radicals substituted by nitrogen atoms not forming part of a nitro radical	C07D233/24	C07D233/24		360
C07D233/26	10	Radicals substituted by carbon atoms having three bonds to hetero atoms	C07D233/26	C07D233/26		161
C07D233/28	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D233/28	C07D233/28		99
C07D233/30	10	Oxygen or sulfur atoms	C07D233/30	C07D233/30		40
C07D233/32	11	One oxygen atom	C07D233/32	C07D233/32		635
C07D233/34	12	Ethylene-urea	C07D233/34	C07D233/34		132
C07D233/36	12	with hydrocarbon radicals, substituted by nitrogen atoms, attached to ring nitrogen atoms	C07D233/36	C07D233/36		245
C07D233/38	12	with acyl radicals or hetero atoms directly attached to ring nitrogen atoms	C07D233/38	C07D233/38		239
C07D233/40	11	Two or more oxygen atoms	C07D233/40	C07D233/40		127
C07D233/42	11	Sulfur atoms	C07D233/42	C07D233/42		343
C07D233/44	10	Nitrogen atoms not forming part of a nitro radical	C07D233/44	C07D233/44		108
C07D233/46	11	with only hydrogen atoms attached to said nitrogen atoms	C07D233/46	C07D233/46		170
C07D233/48	11	with acyclic hydrocarbon or substituted acyclic hydrocarbon radicals, attached to said nitrogen atoms	C07D233/48	C07D233/48		181
C07D233/50	11	with carbocyclic radicals directly attached to said nitrogen atoms	C07D233/50	C07D233/50		304
C07D233/52	11	with hetero atoms directly attached to said nitrogen atoms	C07D233/52	C07D233/52		171
C07D233/54	8	having two double bonds between ring members or between ring members and non-ring members	C07D233/54	C07D233/54		625
C07D233/56	9	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms	C07D233/56	C07D233/56		5266
C07D233/58	10	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring nitrogen atoms	C07D233/58	C07D233/58		1197
C07D233/60	10	with hydrocarbon radicals, substituted by oxygen or sulfur atoms, attached to ring nitrogen atoms	C07D233/60	C07D233/60		864
C07D233/61	10	with hydrocarbon radicals, substituted by nitrogen atoms not forming part of a nitro radical, attached to ring nitrogen atoms	C07D233/61	C07D233/61		566
C07D233/62	10	with triarylmethyl radicals attached to ring nitrogen atoms	C07D233/62	C07D233/62		23
C07D233/64	9	with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine	C07D233/64	C07D233/64		3827
C07D233/66	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D233/66	C07D233/66		127
C07D233/68	10	Halogen atoms	C07D233/68	C07D233/68		500
C07D233/70	10	One oxygen atom	C07D233/70	C07D233/70		509
C07D233/72	10	Two oxygen atoms, e.g. hydantoin	C07D233/72	C07D233/72		489
C07D233/74	11	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to other ring members	C07D233/74	C07D233/74		476
C07D233/76	11	with substituted hydrocarbon radicals attached to the third ring carbon atom	C07D233/76	C07D233/76		405
C07D233/78	12	Radicals substituted by oxygen atoms	C07D233/78	C07D233/78		349
C07D233/80	11	with hetero atoms or acyl radicals directly attached to ring nitrogen atoms	C07D233/80	C07D233/80		219
C07D233/82	12	Halogen atoms	C07D233/82	C07D233/82		91
C07D233/84	10	Sulfur atoms	C07D233/84	C07D233/84		955
C07D233/86	10	Oxygen and sulfur atoms, e.g. thiohydantoin	C07D233/86	C07D233/86		370
C07D233/88	10	Nitrogen atoms, e.g. allantoin	C07D233/88	C07D233/88		896
C07D233/90	10	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D233/90	C07D233/90		1360
C07D233/91	10	Nitro radicals	C07D233/91	C07D233/91		217
C07D233/92	11	attached in position 4 or 5	C07D233/92	C07D233/92		362
C07D233/93	12	with hydrocarbon radicals, substituted by halogen atoms, attached to other ring members	C07D233/93	C07D233/93		79
C07D233/94	12	with hydrocarbon radicals, substituted by oxygen or sulfur atoms, attached to other ring members	C07D233/94	C07D233/94		392
C07D233/95	12	with hydrocarbon radicals, substituted by nitrogen atoms, attached to other ring members	C07D233/95	C07D233/95		131
C07D233/96	8	having three double bonds between ring members or between ring members and non-ring members	C07D233/96	C07D233/96		355
C07D235/00	7	Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings	C07D235/00	C07D235/00		48
C07D235/02	8	condensed with carbocyclic rings or ring systems	C07D235/02	C07D235/02		984
C07D235/04	9	Benzimidazoles; Hydrogenated benzimidazoles	C07D235/04	C07D235/04		173
C07D235/06	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2	C07D235/06	C07D235/06		1352
C07D235/08	11	Radicals containing only hydrogen and carbon atoms	C07D235/08	C07D235/08		1294
C07D235/10	11	Radicals substituted by halogen atoms or nitro radicals	C07D235/10	C07D235/10		415
C07D235/12	11	Radicals substituted by oxygen atoms	C07D235/12	C07D235/12		526
C07D235/14	11	Radicals substituted by nitrogen atoms (by nitro radicals C07D235/10)	C07D235/14	C07D235/14		677
C07D235/16	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D235/16	C07D235/16		434
C07D235/18	10	with aryl radicals directly attached in position 2	C07D235/18	C07D235/18		1477
C07D235/20	10	Two benzimidazolyl-2 radicals linked together directly or via a hydrocarbon or substituted hydrocarbon radical	C07D235/20	C07D235/20		394
C07D235/22	10	with hetero atoms directly attached to ring nitrogen atoms (C07D235/10 takes precedence)	C07D235/22	C07D235/22		145
C07D235/24	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2	C07D235/24	C07D235/24		369
C07D235/26	11	Oxygen atoms	C07D235/26	C07D235/26		926
C07D235/28	11	Sulfur atoms	C07D235/28	C07D235/28		676
C07D235/30	11	Nitrogen atoms not forming part of a nitro radical	C07D235/30	C07D235/30		903
C07D235/32	12	Benzimidazole-2-carbamic acids, unsubstituted or substituted; Esters thereof; Thio-analogues thereof	C07D235/32	C07D235/32		494
C07D237/00	7	Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings	C07D237/00	C07D237/00		23
C07D237/02	8	not condensed with other rings	C07D237/02	C07D237/02		20
C07D237/04	9	having less than three double bonds between ring members or between ring members and non-ring members	C07D237/04	C07D237/04		423
C07D237/06	9	having three double bonds between ring members or between ring members and non-ring members	C07D237/06	C07D237/06		19
C07D237/08	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D237/08	C07D237/08		411
C07D237/10	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D237/10	C07D237/10		17
C07D237/12	11	Halogen atoms or nitro radicals	C07D237/12	C07D237/12		168
C07D237/14	11	Oxygen atoms	C07D237/14	C07D237/14		796
C07D237/16	12	Two oxygen atoms	C07D237/16	C07D237/16		282
C07D237/18	11	Sulfur atoms	C07D237/18	C07D237/18		196
C07D237/20	11	Nitrogen atoms (nitro radicals C07D237/12)	C07D237/20	C07D237/20		614
C07D237/22	11	Nitrogen and oxygen atoms	C07D237/22	C07D237/22		363
C07D237/24	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D237/24	C07D237/24		430
C07D237/26	8	condensed with carbocyclic rings or ring systems	C07D237/26	C07D237/26		193
C07D237/28	9	Cinnolines	C07D237/28	C07D237/28		287
C07D237/30	9	Phthalazines	C07D237/30	C07D237/30		198
C07D237/32	10	with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring	C07D237/32	C07D237/32		567
C07D237/34	10	with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals	C07D237/34	C07D237/34		188
C07D237/36	9	Benzo-cinnolines	C07D237/36	C07D237/36		57
C07D239/00	7	Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings	C07D239/00	C07D239/00		60
C07D239/02	8	not condensed with other rings	C07D239/02	C07D239/02		40
C07D239/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D239/04	C07D239/04		196
C07D239/06	9	having one double bond between ring members or between a ring member and a non-ring member	C07D239/06	C07D239/06		443
C07D239/08	10	with hetero atoms directly attached in position 2	C07D239/08	C07D239/08		15
C07D239/10	11	Oxygen or sulfur atoms	C07D239/10	C07D239/10		442
C07D239/12	11	Nitrogen atoms not forming part of a nitro radical	C07D239/12	C07D239/12		39
C07D239/14	12	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to said nitrogen atoms	C07D239/14	C07D239/14		147
C07D239/16	12	acylated on said nitrogen atoms	C07D239/16	C07D239/16		38
C07D239/18	12	with hetero atoms attached to said nitrogen atoms, except nitro radicals, e.g. hydrazine radicals	C07D239/18	C07D239/18		69
C07D239/20	9	having two double bonds between ring members or between ring members and non-ring members	C07D239/20	C07D239/20		65
C07D239/22	10	with hetero atoms directly attached to ring carbon atoms	C07D239/22	C07D239/22		632
C07D239/24	9	having three or more double bonds between ring members or between ring members and non-ring members	C07D239/24	C07D239/24		107
C07D239/26	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D239/26	C07D239/26		2521
C07D239/28	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms	C07D239/28	C07D239/28		652
C07D239/30	11	Halogen atoms or nitro radicals	C07D239/30	C07D239/30		825
C07D239/32	11	One oxygen, sulfur or nitrogen atom	C07D239/32	C07D239/32		86
C07D239/34	12	One oxygen atom	C07D239/34	C07D239/34		1318
C07D239/36	13	as doubly bound oxygen atom or as unsubstituted hydroxy radical	C07D239/36	C07D239/36		680
C07D239/38	12	One sulfur atom	C07D239/38	C07D239/38		698
C07D239/40	13	as doubly bound sulfur atom or as unsubstituted mercapto radical	C07D239/40	C07D239/40		84
C07D239/42	12	One nitrogen atom (nitro radicals C07D239/30)	C07D239/42	C07D239/42		3873
C07D239/46	11	Two or more oxygen, sulphur or nitrogen atoms	C07D239/46	C07D239/46		260
C07D239/47	12	One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine	C07D239/47	C07D239/47		1983
C07D239/48	12	Two nitrogen atoms	C07D239/48	C07D239/48		1953
C07D239/49	13	with an aralkyl radical, or substituted aralkyl radical, attached in position 5, e.g. trimethoprim	C07D239/49	C07D239/49		348
C07D239/50	12	Three nitrogen atoms	C07D239/50	C07D239/50		452
C07D239/52	12	Two oxygen atoms	C07D239/52	C07D239/52		1006
C07D239/54	13	as doubly bound oxygen atoms or as unsubstituted hydroxy radicals	C07D239/54	C07D239/54		1376
C07D239/545	14	with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms	C07D239/545	C07D239/545		465
C07D239/553	15	with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil	C07D239/553	C07D239/553		477
C07D239/557	15	with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. orotic acid	C07D239/557	C07D239/557		293
C07D239/56	12	One oxygen atom and one sulfur atom	C07D239/56	C07D239/56		660
C07D239/58	12	Two sulfur atoms	C07D239/58	C07D239/58		118
C07D239/60	12	Three or more oxygen or sulfur atoms	C07D239/60	C07D239/60		657
C07D239/62	13	Barbituric acids	C07D239/62	C07D239/62		491
C07D239/64	14	Salts of organic bases; Organic double compounds	C07D239/64	C07D239/64		93
C07D239/66	13	Thiobarbituric acids	C07D239/66	C07D239/66		106
C07D239/68	14	Salts of organic bases; Organic double compounds	C07D239/68	C07D239/68		30
C07D239/69	11	Benzenesulfonamido-pyrimidines	C07D239/69	C07D239/69		660
C07D239/70	8	condensed with carbocyclic rings or ring systems	C07D239/70	C07D239/70		736
C07D239/72	9	Quinazolines; Hydrogenated quinazolines	C07D239/72	C07D239/72		137
C07D239/74	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring	C07D239/74	C07D239/74		653
C07D239/76	11	N-oxides	C07D239/76	C07D239/76		33
C07D239/78	10	with hetero atoms directly attached in position 2	C07D239/78	C07D239/78		101
C07D239/80	11	Oxygen atoms	C07D239/80	C07D239/80		227
C07D239/82	12	with an aryl radical attached in position 4	C07D239/82	C07D239/82		157
C07D239/84	11	Nitrogen atoms	C07D239/84	C07D239/84		342
C07D239/86	10	with hetero atoms directly attached in position 4	C07D239/86	C07D239/86		84
C07D239/88	11	Oxygen atoms	C07D239/88	C07D239/88		481
C07D239/90	12	with acyclic radicals attached in position 2 or 3	C07D239/90	C07D239/90		421
C07D239/91	12	with aryl or aralkyl radicals attached in position 2 or 3	C07D239/91	C07D239/91		607
C07D239/92	12	with hetero atoms directly attached to nitrogen atoms of the hetero ring	C07D239/92	C07D239/92		65
C07D239/93	11	Sulfur atoms	C07D239/93	C07D239/93		98
C07D239/94	11	Nitrogen atoms	C07D239/94	C07D239/94		1240
C07D239/95	10	with hetero atoms directly attached in positions 2 and 4	C07D239/95	C07D239/95		674
C07D239/96	11	Two oxygen atoms	C07D239/96	C07D239/96		478
C07D241/00	7	Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings<br><br><u>NOTE</u><br><br> Piperazines with only hydrogen atoms directly attached to ring carbon atoms are classified in group C07D295/00.	C07D241/00	C07D241/00		20
C07D241/02	8	not condensed with other rings	C07D241/02	C07D241/02		65
C07D241/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D241/04	C07D241/04		1214
C07D241/06	9	having one or two double bonds between ring members or between ring members and non-ring members	C07D241/06	C07D241/06		105
C07D241/08	10	with oxygen atoms directly attached to ring carbon atoms	C07D241/08	C07D241/08		919
C07D241/10	9	having three double bonds between ring members or between ring members and non-ring members	C07D241/10	C07D241/10		29
C07D241/12	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D241/12	C07D241/12		1150
C07D241/14	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D241/14	C07D241/14		21
C07D241/16	11	Halogen atoms; Nitro radicals	C07D241/16	C07D241/16		193
C07D241/18	11	Oxygen or sulfur atoms	C07D241/18	C07D241/18		541
C07D241/20	11	Nitrogen atoms (nitro radicals C07D241/16)	C07D241/20	C07D241/20		944
C07D241/22	12	Benzenesulfonamido pyrazines	C07D241/22	C07D241/22		96
C07D241/24	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D241/24	C07D241/24		956
C07D241/26	12	with nitrogen atoms directly attached to ring carbon atoms	C07D241/26	C07D241/26		368
C07D241/28	13	in which said hetero-bound carbon atoms have double bonds to oxygen, sulfur or nitrogen atoms	C07D241/28	C07D241/28		103
C07D241/30	14	in which said hetero-bound carbon atoms are part of a substructure &#8212;C(=X)&#8212;X&#8212;C(=X)&#8212;X&#8212; in which X is an oxygen or sulphur atom or an imino radical, e.g. imidoylguanidines	C07D241/30	C07D241/30		10
C07D241/32	15	(Amino-pyrazinoyl) guanidines	C07D241/32	C07D241/32		25
C07D241/34	14	(Amino-pyrazine carbonamido) guanidines	C07D241/34	C07D241/34		15
C07D241/36	8	condensed with carbocyclic rings or ring systems	C07D241/36	C07D241/36		141
C07D241/38	9	with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms	C07D241/38	C07D241/38		521
C07D241/40	10	Benzopyrazines	C07D241/40	C07D241/40		46
C07D241/42	11	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring	C07D241/42	C07D241/42		941
C07D241/44	11	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring	C07D241/44	C07D241/44		1358
C07D241/46	10	Phenazines	C07D241/46	C07D241/46		472
C07D241/48	11	with hydrocarbon radicals, substituted by nitrogen atoms, directly attached to the ring nitrogen atoms	C07D241/48	C07D241/48		59
C07D241/50	9	with hetero atoms directly attached to ring nitrogen atoms	C07D241/50	C07D241/50		34
C07D241/52	10	Oxygen atoms	C07D241/52	C07D241/52		472
C07D241/54	10	Nitrogen atoms	C07D241/54	C07D241/54		25
C07D243/00	7	Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms	C07D243/00	C07D243/00		19
C07D243/02	8	having the nitrogen atoms in positions 1 and 2	C07D243/02	C07D243/02		69
C07D243/04	8	having the nitrogen atoms in positions 1 and 3	C07D243/04	C07D243/04		230
C07D243/06	8	having the nitrogen atoms in positions 1 and 4	C07D243/06	C07D243/06		14
C07D243/08	9	not condensed with other rings	C07D243/08	C07D243/08		626
C07D243/10	9	condensed with carbocyclic rings or ring systems	C07D243/10	C07D243/10		93
C07D243/12	10	1,5-Benzodiazepines; Hydrogenated 1,5-benzodiazepines	C07D243/12	C07D243/12		268
C07D243/14	10	1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines	C07D243/14	C07D243/14		344
C07D243/16	11	substituted in position 5 by aryl radicals	C07D243/16	C07D243/16		214
C07D243/18	12	substituted in position 2 by nitrogen, oxygen or sulfur atoms	C07D243/18	C07D243/18		29
C07D243/20	13	Nitrogen atoms	C07D243/20	C07D243/20		202
C07D243/22	13	Sulfur atoms	C07D243/22	C07D243/22		43
C07D243/24	13	Oxygen atoms	C07D243/24	C07D243/24		867
C07D243/26	14	Preparation from compounds already containing the benzodiazepine skeleton	C07D243/26	C07D243/26		160
C07D243/28	14	Preparation including building-up the benzodiazepine skeleton from compounds containing no hetero rings	C07D243/28	C07D243/28		119
C07D243/30	14	Preparation including building-up the benzodiazepine skeleton from compounds already containing hetero rings	C07D243/30	C07D243/30		35
C07D243/32	15	containing a phthalimide or hydrogenated phthalimide ring system	C07D243/32	C07D243/32		17
C07D243/34	15	containing a quinazoline or hydrogenated quinazoline ring system	C07D243/34	C07D243/34		6
C07D243/36	15	containing an indole or hydrogenated indole ring system	C07D243/36	C07D243/36		31
C07D243/38	10	[b, e]- or [b, f]-condensed with six-membered rings	C07D243/38	C07D243/38		204
C07D245/00	7	Heterocyclic compounds containing rings of more than seven members having two nitrogen atoms as the only ring hetero atoms	C07D245/00	C07D245/00		4
C07D245/02	8	not condensed with other rings	C07D245/02	C07D245/02		170
C07D245/04	8	condensed with carbocyclic rings or ring systems	C07D245/04	C07D245/04		111
C07D245/06	9	condensed with one six-membered ring	C07D245/06	C07D245/06		94
C07D247/00	7	Heterocyclic compounds containing rings having two nitrogen atoms as the only ring hetero atoms, according to more than one of groups C07D229/00&#160;-&#160;C07D245/00	C07D247/00	C07D247/00		30
C07D247/02	8	having the nitrogen atoms in positions 1 and 3	C07D247/02	C07D247/02		41
C07D249/00	7	Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms	C07D249/00	C07D249/00		25
C07D249/02	8	not condensed with other rings	C07D249/02	C07D249/02		51
C07D249/04	9	1,2,3-Triazoles; Hydrogenated 1,2,3-triazoles	C07D249/04	C07D249/04		1251
C07D249/06	10	with aryl radicals directly attached to ring atoms	C07D249/06	C07D249/06		1127
C07D249/08	9	1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles	C07D249/08	C07D249/08		6941
C07D249/10	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D249/10	C07D249/10		578
C07D249/12	11	Oxygen or sulfur atoms	C07D249/12	C07D249/12		1969
C07D249/14	11	Nitrogen atoms	C07D249/14	C07D249/14		969
C07D249/16	8	condensed with carbocyclic rings or ring systems	C07D249/16	C07D249/16		159
C07D249/18	9	Benzotriazoles	C07D249/18	C07D249/18		1099
C07D249/20	10	with aryl radicals directly attached in position 2	C07D249/20	C07D249/20		674
C07D249/22	9	Naphthotriazoles	C07D249/22	C07D249/22		118
C07D249/24	10	with stilbene radicals directly attached in position 2	C07D249/24	C07D249/24		104
C07D251/00	7	Heterocyclic compounds containing 1,3,5-triazine rings	C07D251/00	C07D251/00		36
C07D251/02	8	not condensed with other rings	C07D251/02	C07D251/02		34
C07D251/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D251/04	C07D251/04		158
C07D251/06	10	with hetero atoms directly attached to ring nitrogen atoms	C07D251/06	C07D251/06		77
C07D251/08	9	having one double bond between ring members or between a ring member and a non-ring member	C07D251/08	C07D251/08		67
C07D251/10	9	having two double bonds between ring members or between ring members and non-ring members	C07D251/10	C07D251/10		100
C07D251/12	9	having three double bonds between ring members or between ring members and non-ring members	C07D251/12	C07D251/12		118
C07D251/14	10	with hydrogen or carbon atoms directly attached to at least one ring carbon atom	C07D251/14	C07D251/14		62
C07D251/16	11	to only one ring carbon atom	C07D251/16	C07D251/16		331
C07D251/18	12	with nitrogen atoms directly attached to the two other ring carbon atoms, e.g. guanamines	C07D251/18	C07D251/18		616
C07D251/20	12	with no nitrogen atoms directly attached to a ring carbon atom	C07D251/20	C07D251/20		231
C07D251/22	11	to two ring carbon atoms	C07D251/22	C07D251/22		310
C07D251/24	11	to three ring carbon atoms	C07D251/24	C07D251/24		1828
C07D251/26	10	with only hetero atoms directly attached to ring carbon atoms	C07D251/26	C07D251/26		234
C07D251/28	11	Only halogen atoms, e.g. cyanuric chloride	C07D251/28	C07D251/28		150
C07D251/30	11	Only oxygen atoms	C07D251/30	C07D251/30		313
C07D251/32	12	Cyanuric acid; Isocyanuric acid	C07D251/32	C07D251/32		335
C07D251/34	12	Cyanuric or isocyanuric esters	C07D251/34	C07D251/34		744
C07D251/36	12	having halogen atoms directly attached to ring nitrogen atoms	C07D251/36	C07D251/36		195
C07D251/38	11	Sulfur atoms	C07D251/38	C07D251/38		212
C07D251/40	11	Nitrogen atoms	C07D251/40	C07D251/40		26
C07D251/42	12	One nitrogen atom	C07D251/42	C07D251/42		187
C07D251/44	13	with halogen atoms attached to the two other ring carbon atoms	C07D251/44	C07D251/44		253
C07D251/46	13	with oxygen or sulfur atoms attached to the two other ring carbon atoms	C07D251/46	C07D251/46		365
C07D251/48	12	Two nitrogen atoms	C07D251/48	C07D251/48		206
C07D251/50	13	with a halogen atom attached to the third ring carbon atom	C07D251/50	C07D251/50		457
C07D251/52	13	with an oxygen or sulfur atom attached to the third ring carbon atom	C07D251/52	C07D251/52		497
C07D251/54	12	Three nitrogen atoms	C07D251/54	C07D251/54		715
C07D251/56	13	Preparation of melamine	C07D251/56	C07D251/56		165
C07D251/58	14	from cyanamide, dicyanamide or calcium cyanamide	C07D251/58	C07D251/58		62
C07D251/60	14	from urea or from carbon dioxide and ammonia	C07D251/60	C07D251/60		436
C07D251/62	13	Purification of melamine	C07D251/62	C07D251/62		174
C07D251/64	13	Condensation products of melamine with aldehydes; Derivatives thereof (polycondensation products C08G)	C07D251/64	C07D251/64		92
C07D251/66	13	Derivatives of melamine in which a hetero atom is directly attached to a nitrogen atom of melamine	C07D251/66	C07D251/66		162
C07D251/68	13	Triazinylamino stilbenes	C07D251/68	C07D251/68		145
C07D251/70	13	Other substituted melamines	C07D251/70	C07D251/70		950
C07D251/72	8	condensed with carbocyclic rings or ring systems	C07D251/72	C07D251/72		17
C07D253/00	7	Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00	C07D253/00	C07D253/00		8
C07D253/02	8	not condensed with other rings	C07D253/02	C07D253/02		33
C07D253/04	9	1,2,3-Triazines	C07D253/04	C07D253/04		45
C07D253/06	9	1,2,4-Triazines	C07D253/06	C07D253/06		277
C07D253/065	10	having three double bonds between ring members or between ring members and non-ring members	C07D253/065	C07D253/065		84
C07D253/07	11	with hetero atoms, or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D253/07	C07D253/07		342
C07D253/075	12	Two hetero atoms, in positions 3 and 5	C07D253/075	C07D253/075		504
C07D253/08	8	condensed with carbocyclic rings or ring systems	C07D253/08	C07D253/08		185
C07D253/10	9	Condensed 1,2,4-triazines; Hydrogenated condensed 1,2,4-triazines	C07D253/10	C07D253/10		135
C07D255/00	7	Heterocyclic compounds containing rings having three nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D249/00&#160;-&#160;C07D253/00	C07D255/00	C07D255/00		8
C07D255/02	8	not condensed with other rings	C07D255/02	C07D255/02		284
C07D255/04	8	condensed with carbocyclic rings or ring systems	C07D255/04	C07D255/04		94
C07D257/00	7	Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms	C07D257/00	C07D257/00		27
C07D257/02	8	not condensed with other rings	C07D257/02	C07D257/02		779
C07D257/04	9	Five-membered rings	C07D257/04	C07D257/04		3063
C07D257/06	10	with nitrogen atoms directly attached to the ring carbon atom	C07D257/06	C07D257/06		459
C07D257/08	9	Six-membered rings	C07D257/08	C07D257/08		182
C07D257/10	8	condensed with carbocyclic rings or ring systems	C07D257/10	C07D257/10		89
C07D257/12	9	Six-membered rings having four nitrogen atoms	C07D257/12	C07D257/12		19
C07D259/00	7	Heterocyclic compounds containing rings having more than four nitrogen atoms as the only ring hetero atoms	C07D259/00	C07D259/00		181
C07D261/00	7	Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings	C07D261/00	C07D261/00		15
C07D261/02	8	not condensed with other rings	C07D261/02	C07D261/02		160
C07D261/04	9	having one double bond between ring members or between a ring member and a non-ring member	C07D261/04	C07D261/04		875
C07D261/06	9	having two or more double bonds between ring members or between ring members and non-ring members	C07D261/06	C07D261/06		48
C07D261/08	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D261/08	C07D261/08		1657
C07D261/10	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D261/10	C07D261/10		255
C07D261/12	11	Oxygen atoms	C07D261/12	C07D261/12		341
C07D261/14	11	Nitrogen atoms	C07D261/14	C07D261/14		605
C07D261/16	12	Benzene-sulfonamido isoxazoles	C07D261/16	C07D261/16		178
C07D261/18	11	Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen	C07D261/18	C07D261/18		823
C07D261/20	8	condensed with carbocyclic rings or ring systems	C07D261/20	C07D261/20		868
C07D263/00	7	Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings	C07D263/00	C07D263/00		16
C07D263/02	8	not condensed with other rings	C07D263/02	C07D263/02		10
C07D263/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D263/04	C07D263/04		548
C07D263/06	10	with hydrocarbon radicals, substituted by oxygen atoms, attached to ring carbon atoms	C07D263/06	C07D263/06		394
C07D263/08	9	having one double bond between ring members or between a ring member and a non-ring member	C07D263/08	C07D263/08		22
C07D263/10	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D263/10	C07D263/10		380
C07D263/12	11	with radicals containing only hydrogen and carbon atoms	C07D263/12	C07D263/12		259
C07D263/14	11	with radicals substituted by oxygen atoms	C07D263/14	C07D263/14		566
C07D263/16	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D263/16	C07D263/16		217
C07D263/18	11	Oxygen atoms	C07D263/18	C07D263/18		100
C07D263/20	12	attached in position 2	C07D263/20	C07D263/20		531
C07D263/22	13	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to other ring carbon atoms	C07D263/22	C07D263/22		567
C07D263/24	13	with hydrocarbon radicals, substituted by oxygen atoms, attached to other ring carbon atoms	C07D263/24	C07D263/24		451
C07D263/26	13	with hetero atoms or acyl radicals directly attached to the ring nitrogen atom	C07D263/26	C07D263/26		362
C07D263/28	11	Nitrogen atoms not forming part of a nitro radical	C07D263/28	C07D263/28		228
C07D263/30	9	having two or three double bonds between ring members or between ring members and non-ring members	C07D263/30	C07D263/30		34
C07D263/32	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D263/32	C07D263/32		1476
C07D263/34	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D263/34	C07D263/34		515
C07D263/36	11	One oxygen atom	C07D263/36	C07D263/36		13
C07D263/38	12	attached in position 2	C07D263/38	C07D263/38		194
C07D263/40	12	attached in position 4	C07D263/40	C07D263/40		39
C07D263/42	12	attached in position 5	C07D263/42	C07D263/42		314
C07D263/44	11	Two oxygen atoms	C07D263/44	C07D263/44		434
C07D263/46	11	Sulfur atoms	C07D263/46	C07D263/46		217
C07D263/48	11	Nitrogen atoms not forming part of a nitro radical	C07D263/48	C07D263/48		470
C07D263/50	12	Benzene-sulfonamido oxazoles	C07D263/50	C07D263/50		44
C07D263/52	8	condensed with carbocyclic rings or ring systems	C07D263/52	C07D263/52		483
C07D263/54	9	Benzoxazoles; Hydrogenated benzoxazoles	C07D263/54	C07D263/54		79
C07D263/56	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2	C07D263/56	C07D263/56		903
C07D263/57	11	Aryl or substituted aryl radicals	C07D263/57	C07D263/57		1039
C07D263/58	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2	C07D263/58	C07D263/58		1469
C07D263/60	9	Naphthoxazoles; Hydrogenated naphthoxazoles	C07D263/60	C07D263/60		205
C07D263/62	9	having two or more ring systems containing condensed 1,3-oxazole rings	C07D263/62	C07D263/62		206
C07D263/64	10	linked in positions 2 and 2&apos; by chains containing six-membered aromatic rings or ring systems containing such rings	C07D263/64	C07D263/64		162
C07D265/00	7	Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms<br><br><u>NOTE</u><br><br> Morpholines having only hydrogen atoms attached to the ring carbon atoms are classified in group C07D295/00.	C07D265/00	C07D265/00		12
C07D265/02	8	1,2-Oxazines; Hydrogenated 1,2-oxazines	C07D265/02	C07D265/02		186
C07D265/04	8	1,3-Oxazines; Hydrogenated 1,3-oxazines	C07D265/04	C07D265/04		11
C07D265/06	9	not condensed with other rings	C07D265/06	C07D265/06		259
C07D265/08	10	having one double bond between ring members or between a ring member and a non-ring member	C07D265/08	C07D265/08		203
C07D265/10	11	with oxygen atoms directly attached to ring carbon atoms	C07D265/10	C07D265/10		155
C07D265/12	9	condensed with carbocyclic rings or ring systems	C07D265/12	C07D265/12		141
C07D265/14	10	condensed with one six-membered ring	C07D265/14	C07D265/14		101
C07D265/16	11	with only hydrogen or carbon atoms directly attached in positions 2 and 4	C07D265/16	C07D265/16		289
C07D265/18	11	with hetero atoms directly attached in position 2	C07D265/18	C07D265/18		220
C07D265/20	11	with hetero atoms directly attached in position 4	C07D265/20	C07D265/20		13
C07D265/22	12	Oxygen atoms	C07D265/22	C07D265/22		287
C07D265/24	11	with hetero atoms directly attached in positions 2 and 4	C07D265/24	C07D265/24		47
C07D265/26	12	Two oxygen atoms, e.g. isatoic anhydride	C07D265/26	C07D265/26		311
C07D265/28	8	1,4-Oxazines; Hydrogenated 1,4-oxazines	C07D265/28	C07D265/28		64
C07D265/30	9	not condensed with other rings	C07D265/30	C07D265/30		1339
C07D265/32	10	with oxygen atoms directly attached to ring carbon atoms	C07D265/32	C07D265/32		516
C07D265/33	11	Two oxygen atoms, in positions 3 and 5	C07D265/33	C07D265/33		81
C07D265/34	9	condensed with carbocyclic rings	C07D265/34	C07D265/34		297
C07D265/36	10	condensed with one six-membered ring	C07D265/36	C07D265/36		1006
C07D265/38	10	[b, e]-condensed with two six-membered rings	C07D265/38	C07D265/38		835
C07D267/00	7	Heterocyclic compounds containing rings of more than six members having one nitrogen atom and one oxygen atom as the only ring hetero atoms	C07D267/00	C07D267/00		89
C07D267/02	8	Seven-membered rings	C07D267/02	C07D267/02		16
C07D267/04	9	having the hetero atoms in positions 1 and 2	C07D267/04	C07D267/04		19
C07D267/06	9	having the hetero atoms in positions 1 and 3	C07D267/06	C07D267/06		41
C07D267/08	9	having the hetero atoms in positions 1 and 4	C07D267/08	C07D267/08		14
C07D267/10	10	not condensed with other rings	C07D267/10	C07D267/10		186
C07D267/12	10	condensed with carbocyclic rings or ring systems	C07D267/12	C07D267/12		29
C07D267/14	11	condensed with one six-membered ring	C07D267/14	C07D267/14		290
C07D267/16	11	condensed with two six-membered rings	C07D267/16	C07D267/16		19
C07D267/18	12	[b, e]-condensed	C07D267/18	C07D267/18		87
C07D267/20	12	[b, f]-condensed	C07D267/20	C07D267/20		222
C07D267/22	8	Eight-membered rings	C07D267/22	C07D267/22		97
C07D269/00	7	Heterocyclic compounds containing rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms according to more than one of groups C07D261/00&#160;-&#160;C07D267/00	C07D269/00	C07D269/00		18
C07D269/02	8	having the hetero atoms in positions 1 and 3	C07D269/02	C07D269/02		14
C07D271/00	7	Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms	C07D271/00	C07D271/00		9
C07D271/02	8	not condensed with other rings	C07D271/02	C07D271/02		11
C07D271/04	9	1,2,3-Oxadiazoles; Hydrogenated 1,2,3-oxadiazoles	C07D271/04	C07D271/04		162
C07D271/06	9	1,2,4-Oxadiazoles; Hydrogenated 1,2,4-oxadiazoles	C07D271/06	C07D271/06		1433
C07D271/07	10	with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical	C07D271/07	C07D271/07		480
C07D271/08	9	1,2,5-Oxadiazoles; Hydrogenated 1,2,5-oxadiazoles	C07D271/08	C07D271/08		413
C07D271/10	9	1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles	C07D271/10	C07D271/10		788
C07D271/107	10	with two aryl or substituted aryl radicals attached in positions 2 and 5	C07D271/107	C07D271/107		349
C07D271/113	10	with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical	C07D271/113	C07D271/113		709
C07D271/12	8	condensed with carbocyclic rings or ring systems	C07D271/12	C07D271/12		425
C07D273/00	7	Heterocyclic compounds containing rings having nitrogen and oxygen atoms as the only ring hetero atoms, not provided for by groups C07D261/00&#160;-&#160;C07D271/00	C07D273/00	C07D273/00		502
C07D273/01	8	having one nitrogen atom	C07D273/01	C07D273/01		153
C07D273/02	8	having two nitrogen atoms and only one oxygen atom	C07D273/02	C07D273/02		98
C07D273/04	9	Six-membered rings	C07D273/04	C07D273/04		305
C07D273/06	9	Seven-membered rings	C07D273/06	C07D273/06		48
C07D273/08	8	having two nitrogen atoms and more than one oxygen atom	C07D273/08	C07D273/08		76
C07D275/00	7	Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings	C07D275/00	C07D275/00		12
C07D275/02	8	not condensed with other rings	C07D275/02	C07D275/02		442
C07D275/03	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D275/03	C07D275/03		766
C07D275/04	8	condensed with carbocyclic rings or ring systems	C07D275/04	C07D275/04		545
C07D275/06	9	with hetero atoms directly attached to the ring sulfur atom	C07D275/06	C07D275/06		812
C07D277/00	7	Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings	C07D277/00	C07D277/00		29
C07D277/02	8	not condensed with other rings	C07D277/02	C07D277/02		23
C07D277/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D277/04	C07D277/04		327
C07D277/06	10	with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D277/06	C07D277/06		616
C07D277/08	9	having one double bond between ring members or between a ring member and a non-ring member	C07D277/08	C07D277/08		12
C07D277/10	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D277/10	C07D277/10		256
C07D277/12	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D277/12	C07D277/12		91
C07D277/14	11	Oxygen atoms	C07D277/14	C07D277/14		259
C07D277/16	11	Sulfur atoms	C07D277/16	C07D277/16		225
C07D277/18	11	Nitrogen atoms	C07D277/18	C07D277/18		405
C07D277/20	9	having two or three double bonds between ring members or between ring members and non-ring members	C07D277/20	C07D277/20		577
C07D277/22	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D277/22	C07D277/22		500
C07D277/24	11	Radicals substituted by oxygen atoms	C07D277/24	C07D277/24		1051
C07D277/26	11	Radicals substituted by sulfur atoms	C07D277/26	C07D277/26		268
C07D277/28	11	Radicals substituted by nitrogen atoms	C07D277/28	C07D277/28		1126
C07D277/30	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D277/30	C07D277/30		771
C07D277/32	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D277/32	C07D277/32		443
C07D277/34	11	Oxygen atoms	C07D277/34	C07D277/34		820
C07D277/36	11	Sulfur atoms	C07D277/36	C07D277/36		801
C07D277/38	11	Nitrogen atoms	C07D277/38	C07D277/38		158
C07D277/40	12	Unsubstituted amino or imino radicals	C07D277/40	C07D277/40		565
C07D277/42	12	Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals	C07D277/42	C07D277/42		826
C07D277/44	12	Acylated amino or imino radicals	C07D277/44	C07D277/44		86
C07D277/46	13	by carboxylic acids, or sulfur or nitrogen analogues thereof	C07D277/46	C07D277/46		987
C07D277/48	13	by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof, e.g. carbonylguanidines	C07D277/48	C07D277/48		486
C07D277/50	12	Nitrogen atoms bound to hetero atoms	C07D277/50	C07D277/50		156
C07D277/52	13	to sulfur atoms, e.g. sulfonamides	C07D277/52	C07D277/52		345
C07D277/54	11	Nitrogen and either oxygen or sulfur atoms	C07D277/54	C07D277/54		408
C07D277/56	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D277/56	C07D277/56		1740
C07D277/58	11	Nitro radicals	C07D277/58	C07D277/58		271
C07D277/587	10	with aliphatic hydrocarbon radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms, said aliphatic radicals being substituted in the alpha-position to the ring by a hetero atom, e.g.  with m &gt;= 0, Z being a singly or a doubly bound hetero atom	C07D277/587	C07D277/587		293
C07D277/593	11	Z being doubly bound oxygen or doubly bound nitrogen, which nitrogen is part of a possibly substituted oximino radical	C07D277/593	C07D277/593		52
C07D277/60	8	condensed with carbocyclic rings or ring systems	C07D277/60	C07D277/60		425
C07D277/62	9	Benzothiazoles	C07D277/62	C07D277/62		485
C07D277/64	10	with only hydrocarbon or substituted hydrocarbon radicals attached in position 2	C07D277/64	C07D277/64		1410
C07D277/66	11	with aromatic rings or ring systems directly attached in position 2	C07D277/66	C07D277/66		1086
C07D277/68	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2	C07D277/68	C07D277/68		757
C07D277/70	11	Sulfur atoms	C07D277/70	C07D277/70		95
C07D277/72	12	2-Mercaptobenzothiazole	C07D277/72	C07D277/72		349
C07D277/74	12	Sulfur atoms substituted by carbon atoms	C07D277/74	C07D277/74		639
C07D277/76	12	Sulfur atoms attached to a second hetero atom	C07D277/76	C07D277/76		86
C07D277/78	13	to a second sulphur atom	C07D277/78	C07D277/78		222
C07D277/80	13	to a nitrogen atom	C07D277/80	C07D277/80		403
C07D277/82	11	Nitrogen atoms	C07D277/82	C07D277/82		1535
C07D277/84	9	Naphthothiazoles	C07D277/84	C07D277/84		282
C07D279/00	7	Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms<br><br><u>NOTE</u><br><br> Thiomorpholines having only hydrogen atoms attached to the ring carbon atoms are classified in group C07D295/00.	C07D279/00	C07D279/00		9
C07D279/02	8	1,2-Thiazines; Hydrogenated 1,2-thiazines	C07D279/02	C07D279/02		314
C07D279/04	8	1,3-Thiazines; Hydrogenated 1,3-thiazines	C07D279/04	C07D279/04		46
C07D279/06	9	not condensed with other rings	C07D279/06	C07D279/06		301
C07D279/08	9	condensed with carbocyclic rings or ring systems	C07D279/08	C07D279/08		151
C07D279/10	8	1,4-Thiazines; Hydrogenated 1,4-thiazines	C07D279/10	C07D279/10		59
C07D279/12	9	not condensed with other rings	C07D279/12	C07D279/12		398
C07D279/14	9	condensed with carbocyclic rings or ring systems	C07D279/14	C07D279/14		65
C07D279/16	10	condensed with one six-membered ring	C07D279/16	C07D279/16		325
C07D279/18	10	[b, e]-condensed with two six-membered rings	C07D279/18	C07D279/18		396
C07D279/20	11	with hydrogen atoms directly attached to the ring nitrogen atom	C07D279/20	C07D279/20		265
C07D279/22	11	with carbon atoms directly attached to the ring nitrogen atom	C07D279/22	C07D279/22		484
C07D279/24	12	with hydrocarbon radicals, substituted by amino radicals, attached to the ring nitrogen atom	C07D279/24	C07D279/24		87
C07D279/26	13	without other substituents attached to the ring system	C07D279/26	C07D279/26		142
C07D279/28	13	with other substituents attached to the ring system	C07D279/28	C07D279/28		179
C07D279/30	12	with acyl radicals attached to the ring nitrogen atom	C07D279/30	C07D279/30		152
C07D279/32	11	with hetero atoms directly attached to the ring nitrogen atom	C07D279/32	C07D279/32		10
C07D279/34	11	with hetero atoms directly attached to the ring sulfur atom	C07D279/34	C07D279/34		88
C07D279/36	10	[b, e]-condensed, at least one with a further condensed benzene ring	C07D279/36	C07D279/36		74
C07D281/00	7	Heterocyclic compounds containing rings of more than six members having one nitrogen atom and one sulfur atom as the only ring hetero atoms	C07D281/00	C07D281/00		32
C07D281/02	8	Seven-membered rings	C07D281/02	C07D281/02		113
C07D281/04	9	having the hetero atoms in positions 1 and 4	C07D281/04	C07D281/04		
C07D281/06	10	not condensed with other rings	C07D281/06	C07D281/06		68
C07D281/08	10	condensed with carbocyclic rings or ring systems	C07D281/08	C07D281/08		24
C07D281/10	11	condensed with one six-membered ring	C07D281/10	C07D281/10		416
C07D281/12	11	condensed with two six-membered rings	C07D281/12	C07D281/12		17
C07D281/14	12	[b, e]-condensed	C07D281/14	C07D281/14		56
C07D281/16	12	[b, f]-condensed	C07D281/16	C07D281/16		228
C07D281/18	8	Eight-membered rings	C07D281/18	C07D281/18		89
C07D283/00	7	Heterocyclic compounds containing rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms, according to more than one of groups C07D275/00&#160;-&#160;C07D281/00	C07D283/00	C07D283/00		11
C07D283/02	8	having the hetero atoms in positions 1 and 3	C07D283/02	C07D283/02		7
C07D285/00	7	Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00&#160;-&#160;C07D283/00	C07D285/00	C07D285/00		136
C07D285/01	8	Five-membered rings	C07D285/01	C07D285/01		160
C07D285/02	9	Thiadiazoles; Hydrogenated thiadiazoles	C07D285/02	C07D285/02		14
C07D285/04	10	not condensed with other rings	C07D285/04	C07D285/04		27
C07D285/06	11	1,2,3-Thiadiazoles; Hydrogenated 1,2,3-thiadiazoles	C07D285/06	C07D285/06		422
C07D285/08	11	1,2,4-Thiadiazoles; Hydrogenated 1,2,4-thiadiazoles	C07D285/08	C07D285/08		797
C07D285/10	11	1,2,5-Thiadiazoles; Hydrogenated 1,2,5-thiadiazoles	C07D285/10	C07D285/10		458
C07D285/12	11	1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles	C07D285/12	C07D285/12		576
C07D285/125	12	with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical	C07D285/125	C07D285/125		587
C07D285/13	13	Oxygen atoms	C07D285/13	C07D285/13		143
C07D285/135	13	Nitrogen atoms	C07D285/135	C07D285/135		1200
C07D285/14	10	condensed with carbocyclic rings or ring systems	C07D285/14	C07D285/14		528
C07D285/15	8	Six-membered rings	C07D285/15	C07D285/15		126
C07D285/16	9	Thiadiazines; Hydrogenated thiadiazines	C07D285/16	C07D285/16		312
C07D285/18	10	1,2,4-Thiadiazines; Hydrogenated 1,2,4-thiadiazines	C07D285/18	C07D285/18		56
C07D285/20	11	condensed with carbocyclic rings or ring systems	C07D285/20	C07D285/20		18
C07D285/22	12	condensed with one six-membered ring	C07D285/22	C07D285/22		18
C07D285/24	13	with oxygen atoms directly attached to the ring sulfur atom	C07D285/24	C07D285/24		213
C07D285/26	14	substituted in position 6 or 7 by sulfamoyl or substituted sulfamoyl radicals	C07D285/26	C07D285/26		3
C07D285/28	15	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached in position 3	C07D285/28	C07D285/28		194
C07D285/30	15	with hydrocarbon radicals, substituted by hetero atoms, attached in position 3	C07D285/30	C07D285/30		106
C07D285/32	15	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 3	C07D285/32	C07D285/32		28
C07D285/34	10	1,3,5-Thiadiazines; Hydrogenated 1,3,5-thiadiazines	C07D285/34	C07D285/34		101
C07D285/36	8	Seven-membered rings	C07D285/36	C07D285/36		147
C07D285/38	8	Eight-membered rings	C07D285/38	C07D285/38		38
C07D291/00	7	Heterocyclic compounds containing rings having nitrogen, oxygen and sulfur atoms as the only ring hetero atoms	C07D291/00	C07D291/00		6
C07D291/02	8	not condensed with other rings	C07D291/02	C07D291/02		46
C07D291/04	9	Five-membered rings	C07D291/04	C07D291/04		129
C07D291/06	9	Six-membered rings	C07D291/06	C07D291/06		226
C07D291/08	8	condensed with carbocyclic rings or ring systems	C07D291/08	C07D291/08		128
C07D293/00	7	Heterocyclic compounds containing rings having nitrogen and selenium or nitrogen and tellurium, with or without oxygen or sulfur atoms, as the ring hetero atoms	C07D293/00	C07D293/00		3
C07D293/02	8	not condensed with other rings	C07D293/02	C07D293/02		4
C07D293/04	9	Five-membered rings	C07D293/04	C07D293/04		22
C07D293/06	10	Selenazoles; Hydrogenated selenazoles	C07D293/06	C07D293/06		65
C07D293/08	9	Six-membered rings	C07D293/08	C07D293/08		4
C07D293/10	8	condensed with carbocyclic rings or ring systems	C07D293/10	C07D293/10		118
C07D293/12	9	Selenazoles; Hydrogenated selenazoles	C07D293/12	C07D293/12		212
C07D295/00	7	Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms	C07D295/00	C07D295/00		73
C07D295/02	8	containing only hydrogen and carbon atoms in addition to the ring hetero elements	C07D295/02	C07D295/02		442
C07D295/023	9	Preparation; Separation; Stabilisation; Use of additives	C07D295/023	C07D295/023		1201
C07D295/027	9	containing only one hetero ring	C07D295/027	C07D295/027		567
C07D295/03	10	with the ring nitrogen atoms directly attached to acyclic carbon atoms	C07D295/03	C07D295/03		868
C07D295/033	10	with the ring nitrogen atoms directly attached to carbocyclic rings	C07D295/033	C07D295/033		407
C07D295/037	9	with quaternary ring nitrogen atoms	C07D295/037	C07D295/037		273
C07D295/04	8	with substituted hydrocarbon radicals attached to ring nitrogen atoms	C07D295/04	C07D295/04		226
C07D295/06	9	substituted by halogen atoms or nitro radicals	C07D295/06	C07D295/06		76
C07D295/067	10	with the ring nitrogen atoms and the substituents attached to the same carbon chain, which is not interrupted by carbocyclic rings	C07D295/067	C07D295/067		152
C07D295/073	10	with the ring nitrogen atoms and the substituents separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings	C07D295/073	C07D295/073		668
C07D295/08	9	substituted by singly bound oxygen or sulfur atoms	C07D295/08	C07D295/08		532
C07D295/084	10	with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings	C07D295/084	C07D295/084		152
C07D295/088	11	to an acyclic saturated chain	C07D295/088	C07D295/088		3357
C07D295/092	11	with aromatic radicals attached to the chain	C07D295/092	C07D295/092		447
C07D295/096	10	with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings	C07D295/096	C07D295/096		1760
C07D295/10	9	substituted by doubly bound oxygen or sulphur atoms	C07D295/10	C07D295/10		256
C07D295/104	10	with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings	C07D295/104	C07D295/104		208
C07D295/108	11	to an acyclic saturated chain	C07D295/108	C07D295/108		563
C07D295/112	10	with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings	C07D295/112	C07D295/112		324
C07D295/116	11	with the doubly bound oxygen or sulfur atoms directly attached to a carbocyclic ring	C07D295/116	C07D295/116		275
C07D295/12	9	substituted by singly or doubly bound nitrogen atoms (nitro radicals C07D295/06)	C07D295/12	C07D295/12		403
C07D295/125	10	with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings	C07D295/125	C07D295/125		257
C07D295/13	11	to an acyclic saturated chain	C07D295/13	C07D295/13		2500
C07D295/135	10	with the ring nitrogen atoms and the substituent nitrogen atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings	C07D295/135	C07D295/135		1566
C07D295/14	9	substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D295/14	C07D295/14		373
C07D295/145	10	with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings	C07D295/145	C07D295/145		473
C07D295/15	11	to an acyclic saturated chain	C07D295/15	C07D295/15		1278
C07D295/155	10	with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings	C07D295/155	C07D295/155		1223
C07D295/16	8	acylated on ring nitrogen atoms	C07D295/16	C07D295/16		195
C07D295/18	9	by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof	C07D295/18	C07D295/18		255
C07D295/182	10	Radicals derived from carboxylic acids	C07D295/182	C07D295/182		228
C07D295/185	11	from aliphatic carboxylic acids	C07D295/185	C07D295/185		2716
C07D295/192	11	from aromatic carboxylic acids	C07D295/192	C07D295/192		1214
C07D295/194	10	Radicals derived from thio- or thiono carboxylic acids	C07D295/194	C07D295/194		136
C07D295/195	10	Radicals derived from nitrogen analogues of carboxylic acids	C07D295/195	C07D295/195		257
C07D295/20	9	by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof	C07D295/20	C07D295/20		119
C07D295/205	10	Radicals derived from carbonic acid	C07D295/205	C07D295/205		919
C07D295/21	10	Radicals derived from sulfur analogues of carbonic acid	C07D295/21	C07D295/21		341
C07D295/215	10	Radicals derived from nitrogen analogues of carbonic acid	C07D295/215	C07D295/215		1052
C07D295/22	8	with hetero atoms directly attached to ring nitrogen atoms	C07D295/22	C07D295/22		152
C07D295/24	9	Oxygen atoms	C07D295/24	C07D295/24		207
C07D295/26	9	Sulfur atoms	C07D295/26	C07D295/26		1192
C07D295/28	9	Nitrogen atoms	C07D295/28	C07D295/28		54
C07D295/30	10	non-acylated	C07D295/30	C07D295/30		304
C07D295/32	10	acylated with carboxylic or carbonic acids, or their nitrogen or sulfur analogues	C07D295/32	C07D295/32		310
C07D301/00	7	Preparation of oxiranes	C07D301/00	C07D301/00		320
C07D301/02	8	Synthesis of the oxirane ring	C07D301/02	C07D301/02		390
C07D301/03	9	by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds	C07D301/03	C07D301/03		215
C07D301/04	10	with air or molecular oxygen	C07D301/04	C07D301/04		124
C07D301/06	11	in the liquid phase	C07D301/06	C07D301/06		449
C07D301/08	11	in the gaseous phase	C07D301/08	C07D301/08		368
C07D301/10	12	with catalysts containing silver or gold	C07D301/10	C07D301/10		1215
C07D301/12	10	with hydrogen peroxide or inorganic peroxides or peracids	C07D301/12	C07D301/12		1688
C07D301/14	10	with organic peracids, or salts, anhydrides or esters thereof	C07D301/14	C07D301/14		499
C07D301/16	11	formed in situ, e.g. from carboxylic acids and hydrogen peroxide	C07D301/16	C07D301/16		99
C07D301/18	12	from polybasic carboxylic acids	C07D301/18	C07D301/18		5
C07D301/19	10	with organic hydroperoxides	C07D301/19	C07D301/19		721
C07D301/22	9	by oxidation of saturated compounds with air or molecular oxygen (of mixtures of unsaturated and saturated compounds C07D301/04)	C07D301/22	C07D301/22		41
C07D301/24	9	by splitting off HAL&#8212;Y from compounds containing the radical HAL&#8212;C&#8212;C&#8212;OY	C07D301/24	C07D301/24		42
C07D301/26	10	Y being hydrogen	C07D301/26	C07D301/26		483
C07D301/27	8	Condensation of epihalohydrins or halohydrins with compounds containing active hydrogen atoms (macromolecular compounds C08)	C07D301/27	C07D301/27		79
C07D301/28	9	by reaction with hydroxyl radicals	C07D301/28	C07D301/28		302
C07D301/30	9	by reaction with carboxyl radicals	C07D301/30	C07D301/30		56
C07D301/32	8	Separation; Purification	C07D301/32	C07D301/32		1157
C07D301/36	8	Use of additives, e.g. for stabilisation	C07D301/36	C07D301/36		73
C07D303/00	7	Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom	C07D303/00	C07D303/00		17
C07D303/02	8	Compounds containing oxirane rings	C07D303/02	C07D303/02		94
C07D303/04	9	containing only hydrogen and carbon atoms in addition to the ring oxygen atoms	C07D303/04	C07D303/04		2770
C07D303/06	10	in which the oxirane rings are condensed with a carbocyclic ring system having three or more relevant rings	C07D303/06	C07D303/06		117
C07D303/08	9	with hydrocarbon radicals, substituted by halogen atoms, nitro radicals or nitroso radicals	C07D303/08	C07D303/08		846
C07D303/10	10	in which the oxirane rings are condensed with a carbocyclic ring system having three or more relevant rings	C07D303/10	C07D303/10		51
C07D303/12	9	with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms	C07D303/12	C07D303/12		124
C07D303/14	10	by free hydroxyl radicals	C07D303/14	C07D303/14		452
C07D303/16	10	by esterified hydroxyl radicals	C07D303/16	C07D303/16		849
C07D303/17	11	containing oxirane rings condensed with carbocyclic ring systems having three or more relevant rings	C07D303/17	C07D303/17		23
C07D303/18	10	by etherified hydroxyl radicals	C07D303/18	C07D303/18		69
C07D303/20	11	Ethers with hydroxy compounds containing no oxirane rings	C07D303/20	C07D303/20		29
C07D303/22	12	with monohydroxy compounds	C07D303/22	C07D303/22		1160
C07D303/23	13	Oxiranylmethyl ethers of compounds having one hydroxy group bound to a six-membered aromatic ring, the oxiranylmethyl radical not being further substituted, i.e. 	C07D303/23	C07D303/23		136
C07D303/24	12	with polyhydroxy compounds	C07D303/24	C07D303/24		904
C07D303/26	13	having one or more free hydroxyl radicals	C07D303/26	C07D303/26		110
C07D303/27	13	having all hydroxyl radicals etherified with oxirane containing compounds	C07D303/27	C07D303/27		168
C07D303/28	11	Ethers with hydroxy compounds containing oxirane rings	C07D303/28	C07D303/28		182
C07D303/30	12	Ethers of oxirane-containing polyhydroxy compounds in which all hydroxyl radicals are etherified with oxirane-containing hydroxy compounds	C07D303/30	C07D303/30		132
C07D303/31	11	in which the oxirane rings are condensed with a carbocyclic ring system having three or more relevant rings	C07D303/31	C07D303/31		7
C07D303/32	10	by aldehydo- or ketonic radicals	C07D303/32	C07D303/32		602
C07D303/34	9	with hydrocarbon radicals, substituted by sulphur, selenium or tellurium atoms	C07D303/34	C07D303/34		209
C07D303/36	9	with hydrocarbon radicals, substituted by nitrogen atoms (nitro, nitroso radicals C07D303/08)	C07D303/36	C07D303/36		690
C07D303/38	9	with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D303/38	C07D303/38		218
C07D303/40	10	by ester radicals	C07D303/40	C07D303/40		454
C07D303/42	11	Acyclic compounds having a chain of seven or more carbon atoms, e.g. epoxidised fats	C07D303/42	C07D303/42		557
C07D303/44	11	Esterified with oxirane-containing hydroxy compounds	C07D303/44	C07D303/44		84
C07D303/46	10	by amide or nitrile radicals	C07D303/46	C07D303/46		204
C07D303/48	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals	C07D303/48	C07D303/48		792
C07D305/00	7	Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms	C07D305/00	C07D305/00		8
C07D305/02	8	not condensed with other rings	C07D305/02	C07D305/02		10
C07D305/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D305/04	C07D305/04		19
C07D305/06	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring atoms	C07D305/06	C07D305/06		488
C07D305/08	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring atoms	C07D305/08	C07D305/08		350
C07D305/10	9	having one or more double bonds between ring members or between ring members and non-ring members	C07D305/10	C07D305/10		47
C07D305/12	10	Beta-lactones	C07D305/12	C07D305/12		413
C07D305/14	8	condensed with carbocyclic rings or ring systems	C07D305/14	C07D305/14		1247
C07D307/00	7	Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom	C07D307/00	C07D307/00		463
C07D307/02	8	not condensed with other rings	C07D307/02	C07D307/02		45
C07D307/04	9	having no double bonds between ring members or between ring members and non-ring members	C07D307/04	C07D307/04		38
C07D307/06	10	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms	C07D307/06	C07D307/06		317
C07D307/08	11	Preparation of tetrahydrofuran	C07D307/08	C07D307/08		621
C07D307/10	10	with substituted hydrocarbon radicals attached to ring carbon atoms	C07D307/10	C07D307/10		152
C07D307/12	11	Radicals substituted by oxygen atoms	C07D307/12	C07D307/12		1005
C07D307/14	11	Radicals substituted by nitrogen atoms not forming part of a nitro radical	C07D307/14	C07D307/14		798
C07D307/16	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D307/16	C07D307/16		231
C07D307/18	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D307/18	C07D307/18		161
C07D307/20	11	Oxygen atoms	C07D307/20	C07D307/20		1022
C07D307/22	11	Nitrogen atoms not forming part of a nitro radical	C07D307/22	C07D307/22		256
C07D307/24	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D307/24	C07D307/24		423
C07D307/26	9	having one double bond between ring members or between a ring member and a non-ring member	C07D307/26	C07D307/26		17
C07D307/28	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D307/28	C07D307/28		280
C07D307/30	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D307/30	C07D307/30		193
C07D307/32	11	Oxygen atoms	C07D307/32	C07D307/32		446
C07D307/33	12	in position 2, the oxygen atom being in its keto or unsubstituted enol form	C07D307/33	C07D307/33		2465
C07D307/34	9	having two or three double bonds between ring members or between ring members and non-ring members	C07D307/34	C07D307/34		177
C07D307/36	10	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms	C07D307/36	C07D307/36		596
C07D307/38	10	with substituted hydrocarbon radicals attached to ring carbon atoms	C07D307/38	C07D307/38		452
C07D307/40	11	Radicals substituted by oxygen atoms	C07D307/40	C07D307/40		65
C07D307/42	12	Singly bound oxygen atoms	C07D307/42	C07D307/42		1284
C07D307/44	13	Furfuryl alcohol	C07D307/44	C07D307/44		450
C07D307/45	13	Oxygen atoms acylated by a cyclopropane containing carboxylic acyl radical, e.g. chrysanthemumates	C07D307/45	C07D307/45		12
C07D307/46	12	Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom	C07D307/46	C07D307/46		1919
C07D307/48	13	Furfural	C07D307/48	C07D307/48		595
C07D307/50	14	Preparation from natural products	C07D307/50	C07D307/50		687
C07D307/52	11	Radicals substituted by nitrogen atoms not forming part of a nitro radical	C07D307/52	C07D307/52		2500
C07D307/54	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D307/54	C07D307/54		1535
C07D307/56	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D307/56	C07D307/56		238
C07D307/58	11	One oxygen atom, e.g. butenolide	C07D307/58	C07D307/58		827
C07D307/60	11	Two oxygen atoms, e.g. succinic anhydride	C07D307/60	C07D307/60		1294
C07D307/62	11	Three oxygen atoms, e.g. ascorbic acid	C07D307/62	C07D307/62		881
C07D307/64	11	Sulfur atoms	C07D307/64	C07D307/64		401
C07D307/66	11	Nitrogen atoms	C07D307/66	C07D307/66		406
C07D307/68	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D307/68	C07D307/68		3213
C07D307/70	11	Nitro radicals	C07D307/70	C07D307/70		86
C07D307/71	12	attached in position 5	C07D307/71	C07D307/71		237
C07D307/72	13	with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2	C07D307/72	C07D307/72		17
C07D307/73	14	by amino or imino, or substituted amino or imino radicals	C07D307/73	C07D307/73		114
C07D307/74	14	by hydrazino or hydrazono or such substituted radicals	C07D307/74	C07D307/74		63
C07D307/75	15	having carboxylic acyl radicals or their thio or nitrogen analogues directly attached to the hydrazino or hydrazono radical, e.g. hydrazides	C07D307/75	C07D307/75		40
C07D307/76	15	having carbonic acyl radicals or their thio or nitrogen analogues directly attached to the hydrazino or hydrazono radical, e.g. semicarbazides	C07D307/76	C07D307/76		102
C07D307/77	8	ortho- or peri-condensed with carbocyclic rings or ring systems	C07D307/77	C07D307/77		1331
C07D307/78	9	Benzo [b] furans; Hydrogenated benzo [b] furans	C07D307/78	C07D307/78		203
C07D307/79	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring	C07D307/79	C07D307/79		2038
C07D307/80	11	Radicals substituted by oxygen atoms	C07D307/80	C07D307/80		1124
C07D307/81	11	Radicals substituted by nitrogen atoms not forming part of a nitro radical	C07D307/81	C07D307/81		777
C07D307/82	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring	C07D307/82	C07D307/82		496
C07D307/83	11	Oxygen atoms	C07D307/83	C07D307/83		700
C07D307/84	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D307/84	C07D307/84		293
C07D307/85	12	attached in position 2	C07D307/85	C07D307/85		607
C07D307/86	10	with an oxygen atom directly attached in position 7	C07D307/86	C07D307/86		575
C07D307/87	9	Benzo [c] furans; Hydrogenated benzo [c] furans	C07D307/87	C07D307/87		463
C07D307/88	10	with one oxygen atom directly attached in position 1 or 3	C07D307/88	C07D307/88		843
C07D307/885	11	3,3-Diphenylphthalides	C07D307/885	C07D307/885		91
C07D307/89	10	with two oxygen atoms directly attached in positions 1 and 3	C07D307/89	C07D307/89		1085
C07D307/90	10	with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa	C07D307/90	C07D307/90		78
C07D307/91	9	Dibenzofurans; Hydrogenated dibenzofurans	C07D307/91	C07D307/91		3859
C07D307/92	9	Naphthofurans; Hydrogenated naphthofurans	C07D307/92	C07D307/92		813
C07D307/93	9	condensed with a ring other than six-membered	C07D307/93	C07D307/93		1417
C07D307/935	10	Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans	C07D307/935	C07D307/935		856
C07D307/937	11	with hydrocarbon or substituted hydrocarbon radicals directly attached in position 2, e.g. prostacyclins	C07D307/937	C07D307/937		313
C07D307/94	8	spiro-condensed with carbocyclic rings or ring systems, e.g. griseofulvins	C07D307/94	C07D307/94		828
C07D309/00	7	Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings	C07D309/00	C07D309/00		26
C07D309/02	8	having no double bonds between ring members or between ring members and non-ring members	C07D309/02	C07D309/02		33
C07D309/04	9	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms	C07D309/04	C07D309/04		706
C07D309/06	10	Radicals substituted by oxygen atoms	C07D309/06	C07D309/06		596
C07D309/08	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D309/08	C07D309/08		427
C07D309/10	10	Oxygen atoms	C07D309/10	C07D309/10		1227
C07D309/12	11	only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers	C07D309/12	C07D309/12		1661
C07D309/14	10	Nitrogen atoms not forming part of a nitro radical	C07D309/14	C07D309/14		591
C07D309/16	8	having one double bond between ring members or between a ring member and a non-ring member	C07D309/16	C07D309/16		32
C07D309/18	9	containing only hydrogen and carbon atoms in addition to the ring hetero atom	C07D309/18	C07D309/18		135
C07D309/20	9	with hydrogen atoms and substituted hydrocarbon radicals directly attached to ring carbon atoms	C07D309/20	C07D309/20		113
C07D309/22	10	Radicals substituted by oxygen atoms	C07D309/22	C07D309/22		163
C07D309/24	11	Methylol radicals	C07D309/24	C07D309/24		23
C07D309/26	11	Carboxaldehyde radicals	C07D309/26	C07D309/26		43
C07D309/28	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D309/28	C07D309/28		246
C07D309/30	10	Oxygen atoms, e.g. delta-lactones	C07D309/30	C07D309/30		1309
C07D309/32	8	having two double bonds between ring members or between ring members and non-ring members	C07D309/32	C07D309/32		612
C07D309/34	8	having three or more double bonds between ring members or between ring members and non-ring members	C07D309/34	C07D309/34		112
C07D309/36	9	with oxygen atoms directly attached to ring carbon atoms	C07D309/36	C07D309/36		189
C07D309/38	10	one oxygen atom in position 2 or 4, e.g. pyrones	C07D309/38	C07D309/38		508
C07D309/40	10	Oxygen atoms attached in positions 3 and 4, e.g. maltol	C07D309/40	C07D309/40		396
C07D311/00	7	Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings	C07D311/00	C07D311/00		218
C07D311/02	8	ortho- or peri-condensed with carbocyclic rings or ring systems	C07D311/02	C07D311/02		87
C07D311/04	9	Benzo[b]pyrans, not hydrogenated in the carbocyclic ring	C07D311/04	C07D311/04		372
C07D311/06	10	with oxygen or sulfur atoms directly attached in position 2	C07D311/06	C07D311/06		62
C07D311/08	11	not hydrogenated in the hetero ring	C07D311/08	C07D311/08		119
C07D311/10	12	unsubstituted	C07D311/10	C07D311/10		82
C07D311/12	12	substituted in position 3 and unsubstituted in position 7	C07D311/12	C07D311/12		308
C07D311/14	12	substituted in position 6 and unsubstituted in position 7	C07D311/14	C07D311/14		216
C07D311/16	12	substituted in position 7	C07D311/16	C07D311/16		1386
C07D311/18	12	substituted otherwise than in position 3 or 7	C07D311/18	C07D311/18		320
C07D311/20	11	hydrogenated in the hetero ring	C07D311/20	C07D311/20		242
C07D311/22	10	with oxygen or sulfur atoms directly attached in position 4	C07D311/22	C07D311/22		968
C07D311/24	11	with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2	C07D311/24	C07D311/24		388
C07D311/26	11	with aromatic rings attached in position 2 or 3	C07D311/26	C07D311/26		47
C07D311/28	12	with aromatic rings attached in position 2 only	C07D311/28	C07D311/28		71
C07D311/30	13	not hydrogenated in the hetero ring, e.g. flavones	C07D311/30	C07D311/30		1885
C07D311/32	13	2,3-Dihydro derivatives, e.g. flavanones	C07D311/32	C07D311/32		732
C07D311/34	12	with aromatic rings attached in position 3 only	C07D311/34	C07D311/34		17
C07D311/36	13	not hydrogenated in the hetero ring, e.g. isoflavones	C07D311/36	C07D311/36		521
C07D311/38	13	2,3-Dihydro derivatives, e.g. isoflavanones	C07D311/38	C07D311/38		77
C07D311/40	12	Separation, e.g. from natural material; Purification	C07D311/40	C07D311/40		1105
C07D311/42	10	with oxygen or sulfur atoms in positions 2 and 4	C07D311/42	C07D311/42		48
C07D311/44	11	with one hydrogen atom in position 3	C07D311/44	C07D311/44		9
C07D311/46	12	unsubstituted in the carbocyclic ring	C07D311/46	C07D311/46		174
C07D311/48	13	with two such benzopyran radicals linked together by a carbon chain	C07D311/48	C07D311/48		59
C07D311/50	13	with elements other than carbon and hydrogen in position 3	C07D311/50	C07D311/50		13
C07D311/52	13	Enol-esters or -ethers, or sulfur analogues thereof	C07D311/52	C07D311/52		19
C07D311/54	12	substituted in the carbocyclic ring	C07D311/54	C07D311/54		83
C07D311/56	11	without hydrogen atoms in position 3	C07D311/56	C07D311/56		234
C07D311/58	10	other than with oxygen or sulphur atoms in position 2 or 4	C07D311/58	C07D311/58		1403
C07D311/60	11	with aryl radicals attached in position 2	C07D311/60	C07D311/60		241
C07D311/62	12	with oxygen atoms directly attached in position 3, e.g. anthocyanidins	C07D311/62	C07D311/62		1244
C07D311/64	11	with oxygen atoms directly attached in position 8	C07D311/64	C07D311/64		149
C07D311/66	11	with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2	C07D311/66	C07D311/66		165
C07D311/68	11	with nitrogen atoms directly attached in position 4	C07D311/68	C07D311/68		312
C07D311/70	11	with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6	C07D311/70	C07D311/70		224
C07D311/72	12	3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols	C07D311/72	C07D311/72		1114
C07D311/74	9	Benzo[b]pyrans, hydrogenated in the carbocyclic ring	C07D311/74	C07D311/74		335
C07D311/76	9	Benzo[c]pyrans	C07D311/76	C07D311/76		612
C07D311/78	9	Ring systems having three or more relevant rings	C07D311/78	C07D311/78		726
C07D311/80	10	Dibenzopyrans; Hydrogenated dibenzopyrans	C07D311/80	C07D311/80		1013
C07D311/82	11	Xanthenes	C07D311/82	C07D311/82		865
C07D311/84	12	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9	C07D311/84	C07D311/84		130
C07D311/86	13	Oxygen atoms, e.g. xanthones	C07D311/86	C07D311/86		573
C07D311/88	13	Nitrogen atoms	C07D311/88	C07D311/88		121
C07D311/90	12	with hydrocarbon radicals, substituted by amino radicals, directly attached in position 9	C07D311/90	C07D311/90		207
C07D311/92	10	Naphthopyrans; Hydrogenated naphthopyrans	C07D311/92	C07D311/92		812
C07D311/94	9	condensed with rings other than six-membered or with ring systems containing such rings	C07D311/94	C07D311/94		945
C07D311/96	8	spiro-condensed with carbocyclic rings or ring systems	C07D311/96	C07D311/96		665
C07D313/00	7	Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom	C07D313/00	C07D313/00		655
C07D313/02	8	Seven-membered rings	C07D313/02	C07D313/02		8
C07D313/04	9	not condensed with other rings	C07D313/04	C07D313/04		423
C07D313/06	9	condensed with carbocyclic rings or ring systems	C07D313/06	C07D313/06		143
C07D313/08	10	condensed with one six-membered ring	C07D313/08	C07D313/08		254
C07D313/10	10	condensed with two six-membered rings	C07D313/10	C07D313/10		67
C07D313/12	11	[b,e]-condensed	C07D313/12	C07D313/12		332
C07D313/14	11	[b,f]-condensed	C07D313/14	C07D313/14		120
C07D313/16	8	Eight-membered rings	C07D313/16	C07D313/16		1
C07D313/18	9	not condensed with other rings	C07D313/18	C07D313/18		38
C07D313/20	9	condensed with carbocyclic rings or ring systems	C07D313/20	C07D313/20		56
C07D315/00	7	Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00&#160;-&#160;C07D313/00	C07D315/00	C07D315/00		911
C07D317/00	7	Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms	C07D317/00	C07D317/00		28
C07D317/02	8	having the hetero atoms in positions 1 and 2	C07D317/02	C07D317/02		12
C07D317/04	9	not condensed with other rings	C07D317/04	C07D317/04		38
C07D317/06	9	condensed with carbocyclic rings or ring systems	C07D317/06	C07D317/06		36
C07D317/08	8	having the hetero atoms in positions 1 and 3	C07D317/08	C07D317/08		26
C07D317/10	9	not condensed with other rings	C07D317/10	C07D317/10		26
C07D317/12	10	with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms	C07D317/12	C07D317/12		506
C07D317/14	10	with substituted hydrocarbon radicals attached to ring carbon atoms	C07D317/14	C07D317/14		82
C07D317/16	11	Radicals substituted by halogen atoms or nitro radicals	C07D317/16	C07D317/16		380
C07D317/18	11	Radicals substituted by singly bound oxygen or sulfur atoms	C07D317/18	C07D317/18		85
C07D317/20	12	Free hydroxyl or mercaptan	C07D317/20	C07D317/20		469
C07D317/22	12	etherified	C07D317/22	C07D317/22		561
C07D317/24	12	esterified	C07D317/24	C07D317/24		451
C07D317/26	11	Radicals substituted by doubly bound oxygen or sulfur atoms or by two such atoms singly bound to the same carbon atom	C07D317/26	C07D317/26		366
C07D317/28	11	Radicals substituted by nitrogen atoms (nitro radicals C07D317/16)	C07D317/28	C07D317/28		531
C07D317/30	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D317/30	C07D317/30		540
C07D317/32	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D317/32	C07D317/32		197
C07D317/34	11	Oxygen atoms	C07D317/34	C07D317/34		309
C07D317/36	12	Alkylene carbonates; Substituted alkylene carbonates	C07D317/36	C07D317/36		1436
C07D317/38	13	Ethylene carbonate	C07D317/38	C07D317/38		534
C07D317/40	12	Vinylene carbonate; Substituted vinylene carbonates	C07D317/40	C07D317/40		305
C07D317/42	11	Halogen atoms or nitro radicals	C07D317/42	C07D317/42		366
C07D317/44	9	ortho- or peri-condensed with carbocyclic rings or ring systems	C07D317/44	C07D317/44		197
C07D317/46	10	condensed with one six-membered ring	C07D317/46	C07D317/46		704
C07D317/48	11	Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring	C07D317/48	C07D317/48		67
C07D317/50	12	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring	C07D317/50	C07D317/50		260
C07D317/52	13	Radicals substituted by halogen atoms or nitro radicals	C07D317/52	C07D317/52		108
C07D317/54	13	Radicals substituted by oxygen atoms	C07D317/54	C07D317/54		777
C07D317/56	13	Radicals substituted by sulfur atoms	C07D317/56	C07D317/56		128
C07D317/58	13	Radicals substituted by nitrogen atoms (nitro radicals C07D317/52)	C07D317/58	C07D317/58		1095
C07D317/60	13	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D317/60	C07D317/60		865
C07D317/62	12	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring	C07D317/62	C07D317/62		348
C07D317/64	13	Oxygen atoms	C07D317/64	C07D317/64		526
C07D317/66	13	Nitrogen atoms not forming part of a nitro radical	C07D317/66	C07D317/66		472
C07D317/68	13	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D317/68	C07D317/68		423
C07D317/70	10	condensed with ring systems containing two or more relevant rings	C07D317/70	C07D317/70		403
C07D317/72	9	spiro-condensed with carbocyclic rings	C07D317/72	C07D317/72		1048
C07D319/00	7	Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms	C07D319/00	C07D319/00		39
C07D319/02	8	1,2-Dioxanes; Hydrogenated 1,2-dioxanes	C07D319/02	C07D319/02		39
C07D319/04	8	1,3-Dioxanes; Hydrogenated 1,3-dioxanes	C07D319/04	C07D319/04		38
C07D319/06	9	not condensed with other rings	C07D319/06	C07D319/06		2258
C07D319/08	9	condensed with carbocyclic rings or ring systems	C07D319/08	C07D319/08		676
C07D319/10	8	1,4-Dioxanes; Hydrogenated 1,4-dioxanes	C07D319/10	C07D319/10		17
C07D319/12	9	not condensed with other rings	C07D319/12	C07D319/12		1284
C07D319/14	9	condensed with carbocyclic rings or ring systems	C07D319/14	C07D319/14		111
C07D319/16	10	condensed with one six-membered ring	C07D319/16	C07D319/16		114
C07D319/18	11	Ethylenedioxybenzenes, not substituted on the hetero ring	C07D319/18	C07D319/18		941
C07D319/20	11	with substituents attached to the hetero ring	C07D319/20	C07D319/20		600
C07D319/22	10	condensed with one naphthalene or hydrogenated naphthalene ring system	C07D319/22	C07D319/22		70
C07D319/24	10	[b,e]-condensed with two six-membered rings	C07D319/24	C07D319/24		144
C07D321/00	7	Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00&#160;-&#160;C07D319/00	C07D321/00	C07D321/00		384
C07D321/02	8	Seven-membered rings	C07D321/02	C07D321/02		10
C07D321/04	9	not condensed with other rings	C07D321/04	C07D321/04		9
C07D321/06	10	1,3-Dioxepines; Hydrogenated 1,3-dioxepines	C07D321/06	C07D321/06		155
C07D321/08	10	1,4-Dioxepines; Hydrogenated 1,4-dioxepines	C07D321/08	C07D321/08		40
C07D321/10	9	condensed with carbocyclic rings or ring systems	C07D321/10	C07D321/10		356
C07D321/12	8	Eight-membered rings	C07D321/12	C07D321/12		109
C07D323/00	7	Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms	C07D323/00	C07D323/00		585
C07D323/02	8	Five-membered rings	C07D323/02	C07D323/02		81
C07D323/04	8	Six-membered rings	C07D323/04	C07D323/04		94
C07D323/06	9	Trioxane	C07D323/06	C07D323/06		293
C07D325/00	7	Heterocyclic compounds containing rings having oxygen as the only ring hetero atom according to more than one of groups C07D303/00 - C07D323/00	C07D325/00	C07D325/00		37
C07D327/00	7	Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms	C07D327/00	C07D327/00		166
C07D327/02	8	one oxygen atom and one sulfur atom	C07D327/02	C07D327/02		133
C07D327/04	9	Five-membered rings	C07D327/04	C07D327/04		671
C07D327/06	9	Six-membered rings	C07D327/06	C07D327/06		522
C07D327/08	10	[b,e]-condensed with two six-membered carbocyclic rings	C07D327/08	C07D327/08		280
C07D327/10	8	two oxygen atoms and one sulfur atom, e.g. cyclic sulfates	C07D327/10	C07D327/10		441
C07D329/00	7	Heterocyclic compounds containing rings having oxygen and selenium or oxygen and tellurium atoms as the only ring hetero atoms	C07D329/00	C07D329/00		32
C07D331/00	7	Heterocyclic compounds containing rings of less than five members, having one sulfur atom as the only ring hetero atom	C07D331/00	C07D331/00		7
C07D331/02	8	Three-membered rings	C07D331/02	C07D331/02		335
C07D331/04	8	Four-membered rings	C07D331/04	C07D331/04		158
C07D333/00	7	Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom	C07D333/00	C07D333/00		57
C07D333/02	8	not condensed with other rings	C07D333/02	C07D333/02		24
C07D333/04	9	not substituted on the ring sulphur atom	C07D333/04	C07D333/04		43
C07D333/06	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms	C07D333/06	C07D333/06		110
C07D333/08	11	Hydrogen atoms or radicals containing only hydrogen and carbon atoms	C07D333/08	C07D333/08		595
C07D333/10	12	Thiophene	C07D333/10	C07D333/10		253
C07D333/12	11	Radicals substituted by halogen atoms or nitro or nitroso radicals	C07D333/12	C07D333/12		301
C07D333/14	11	Radicals substituted by singly bound hetero atoms other than halogen	C07D333/14	C07D333/14		28
C07D333/16	12	by oxygen atoms	C07D333/16	C07D333/16		1240
C07D333/18	12	by sulfur atoms	C07D333/18	C07D333/18		422
C07D333/20	12	by nitrogen atoms (nitro, nitroso radicals C07D333/12)	C07D333/20	C07D333/20		2118
C07D333/22	11	Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom	C07D333/22	C07D333/22		1790
C07D333/24	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D333/24	C07D333/24		2295
C07D333/26	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms	C07D333/26	C07D333/26		40
C07D333/28	11	Halogen atoms	C07D333/28	C07D333/28		996
C07D333/30	11	Hetero atoms other than halogen	C07D333/30	C07D333/30		29
C07D333/32	12	Oxygen atoms	C07D333/32	C07D333/32		584
C07D333/34	12	Sulfur atoms	C07D333/34	C07D333/34		1159
C07D333/36	12	Nitrogen atoms	C07D333/36	C07D333/36		980
C07D333/38	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D333/38	C07D333/38		3035
C07D333/40	12	Thiophene-2-carboxylic acid	C07D333/40	C07D333/40		278
C07D333/42	11	with nitro or nitroso radicals directly attached to ring carbon atoms	C07D333/42	C07D333/42		136
C07D333/44	12	attached in position 5	C07D333/44	C07D333/44		221
C07D333/46	9	substituted on the ring sulfur atom	C07D333/46	C07D333/46		282
C07D333/48	10	by oxygen atoms	C07D333/48	C07D333/48		538
C07D333/50	8	condensed with carbocyclic rings or ring systems	C07D333/50	C07D333/50		598
C07D333/52	9	Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes	C07D333/52	C07D333/52		77
C07D333/54	10	with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring	C07D333/54	C07D333/54		1039
C07D333/56	11	Radicals substituted by oxygen atoms	C07D333/56	C07D333/56		617
C07D333/58	11	Radicals substituted by nitrogen atoms	C07D333/58	C07D333/58		494
C07D333/60	11	Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals	C07D333/60	C07D333/60		441
C07D333/62	10	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring	C07D333/62	C07D333/62		310
C07D333/64	11	Oxygen atoms	C07D333/64	C07D333/64		284
C07D333/66	11	Nitrogen atoms not forming part of a nitro radical	C07D333/66	C07D333/66		272
C07D333/68	11	Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D333/68	C07D333/68		350
C07D333/70	12	attached in position 2	C07D333/70	C07D333/70		555
C07D333/72	9	Benzo[c]thiophenes; Hydrogenated benzo[c]thiophenes	C07D333/72	C07D333/72		216
C07D333/74	9	Naphthothiophenes	C07D333/74	C07D333/74		202
C07D333/76	9	Dibenzothiophenes	C07D333/76	C07D333/76		2919
C07D333/78	9	condensed with rings other than six-membered or with ring systems containing such rings	C07D333/78	C07D333/78		472
C07D333/80	10	Seven-membered rings	C07D333/80	C07D333/80		164
C07D335/00	7	Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom	C07D335/00	C07D335/00		9
C07D335/02	8	not condensed with other rings	C07D335/02	C07D335/02		743
C07D335/04	8	condensed with carbocyclic rings or ring systems	C07D335/04	C07D335/04		279
C07D335/06	9	Benzothiopyrans; Hydrogenated benzothiopyrans	C07D335/06	C07D335/06		685
C07D335/08	9	Naphthothiopyrans; Hydrogenated naphthothiopyrans	C07D335/08	C07D335/08		48
C07D335/10	9	Dibenzothiopyrans; Hydrogenated dibenzothiopyrans	C07D335/10	C07D335/10		82
C07D335/12	10	Thioxanthenes	C07D335/12	C07D335/12		200
C07D335/14	11	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9	C07D335/14	C07D335/14		31
C07D335/16	12	Oxygen atoms, e.g. thioxanthones	C07D335/16	C07D335/16		383
C07D335/18	12	Nitrogen atoms	C07D335/18	C07D335/18		37
C07D335/20	11	with hydrocarbon radicals, substituted by amino radicals, directly attached in position 9	C07D335/20	C07D335/20		85
C07D337/00	7	Heterocyclic compounds containing rings of more than six members having one sulfur atom as the only ring hetero atom	C07D337/00	C07D337/00		10
C07D337/02	8	Seven-membered rings	C07D337/02	C07D337/02		1
C07D337/04	9	not condensed with other rings	C07D337/04	C07D337/04		41
C07D337/06	9	condensed with carbocyclic rings or ring systems	C07D337/06	C07D337/06		29
C07D337/08	10	condensed with one six-membered ring	C07D337/08	C07D337/08		123
C07D337/10	10	condensed with two six-membered rings	C07D337/10	C07D337/10		11
C07D337/12	11	[b,e]-condensed	C07D337/12	C07D337/12		169
C07D337/14	11	[b,f]-condensed	C07D337/14	C07D337/14		217
C07D337/16	8	Eight-membered rings	C07D337/16	C07D337/16		35
C07D339/00	7	Heterocyclic compounds containing rings having two sulfur atoms as the only ring hetero atoms	C07D339/00	C07D339/00		161
C07D339/02	8	Five-membered rings	C07D339/02	C07D339/02		25
C07D339/04	9	having the hetero atoms in positions 1 and 2, e.g. lipoic acid	C07D339/04	C07D339/04		644
C07D339/06	9	having the hetero atoms in positions 1 and 3, e.g. cyclic dithiocarbonates	C07D339/06	C07D339/06		689
C07D339/08	8	Six-membered rings	C07D339/08	C07D339/08		900
C07D341/00	7	Heterocyclic compounds containing rings having three or more sulfur atoms as the only ring hetero atoms	C07D341/00	C07D341/00		231
C07D343/00	7	Heterocyclic compounds containing rings having sulfur and selenium or sulfur and tellurium atoms as the only ring hetero atoms	C07D343/00	C07D343/00		21
C07D345/00	7	Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms	C07D345/00	C07D345/00		304
C07D347/00	7	Heterocyclic compounds containing rings having halogen atoms as ring hetero atoms	C07D347/00	C07D347/00		72
C07D401/00	7	Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom	C07D401/00	C07D401/00		119
C07D401/02	8	containing two hetero rings	C07D401/02	C07D401/02		235
C07D401/04	9	directly linked by a ring-member-to-ring-member bond	C07D401/04	C07D401/04		17072
C07D401/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D401/06	C07D401/06		8213
C07D401/08	9	linked by a carbon chain containing alicyclic rings	C07D401/08	C07D401/08		281
C07D401/10	9	linked by a carbon chain containing aromatic rings	C07D401/10	C07D401/10		3609
C07D401/12	9	linked by a chain containing hetero atoms as chain links	C07D401/12	C07D401/12		22335
C07D401/14	8	containing three or more hetero rings	C07D401/14	C07D401/14		21407
C07D403/00	7	Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00	C07D403/00	C07D403/00		81
C07D403/02	8	containing two hetero rings	C07D403/02	C07D403/02		216
C07D403/04	9	directly linked by a ring-member-to-ring-member bond	C07D403/04	C07D403/04		9154
C07D403/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D403/06	C07D403/06		5185
C07D403/08	9	linked by a carbon chain containing alicyclic rings	C07D403/08	C07D403/08		282
C07D403/10	9	linked by a carbon chain containing aromatic rings	C07D403/10	C07D403/10		4436
C07D403/12	9	linked by a chain containing hetero atoms as chain links	C07D403/12	C07D403/12		12097
C07D403/14	8	containing three or more hetero rings	C07D403/14	C07D403/14		8999
C07D405/00	7	Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom	C07D405/00	C07D405/00		54
C07D405/02	8	containing two hetero rings	C07D405/02	C07D405/02		69
C07D405/04	9	directly linked by a ring-member-to-ring-member bond	C07D405/04	C07D405/04		8615
C07D405/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D405/06	C07D405/06		5511
C07D405/08	9	linked by a carbon chain containing alicyclic rings	C07D405/08	C07D405/08		173
C07D405/10	9	linked by a carbon chain containing aromatic rings	C07D405/10	C07D405/10		2408
C07D405/12	9	linked by a chain containing hetero atoms as chain links	C07D405/12	C07D405/12		14694
C07D405/14	8	containing three or more hetero rings	C07D405/14	C07D405/14		15337
C07D407/00	7	Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00	C07D407/00	C07D407/00		19
C07D407/02	8	containing two hetero rings	C07D407/02	C07D407/02		37
C07D407/04	9	directly linked by a ring-member-to-ring-member bond	C07D407/04	C07D407/04		1631
C07D407/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D407/06	C07D407/06		765
C07D407/08	9	linked by a carbon chain containing alicyclic rings	C07D407/08	C07D407/08		53
C07D407/10	9	linked by a carbon chain containing aromatic rings	C07D407/10	C07D407/10		380
C07D407/12	9	linked by a chain containing hetero atoms as chain links	C07D407/12	C07D407/12		2538
C07D407/14	8	containing three or more hetero rings	C07D407/14	C07D407/14		1229
C07D409/00	7	Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms	C07D409/00	C07D409/00		22
C07D409/02	8	containing two hetero rings	C07D409/02	C07D409/02		62
C07D409/04	9	directly linked by a ring-member-to-ring-member bond	C07D409/04	C07D409/04		6446
C07D409/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D409/06	C07D409/06		3297
C07D409/08	9	linked by a carbon chain containing alicyclic rings	C07D409/08	C07D409/08		134
C07D409/10	9	linked by a carbon chain containing aromatic rings	C07D409/10	C07D409/10		1969
C07D409/12	9	linked by a chain containing hetero atoms as chain links	C07D409/12	C07D409/12		9416
C07D409/14	8	containing three or more hetero rings	C07D409/14	C07D409/14		10693
C07D411/00	7	Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen and sulfur atoms as the only ring hetero atoms	C07D411/00	C07D411/00		1
C07D411/02	8	containing two hetero rings	C07D411/02	C07D411/02		3
C07D411/04	9	directly linked by a ring-member-to-ring-member bond	C07D411/04	C07D411/04		334
C07D411/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D411/06	C07D411/06		78
C07D411/08	9	linked by a carbon chain containing alicyclic rings	C07D411/08	C07D411/08		2
C07D411/10	9	linked by a carbon chain containing aromatic rings	C07D411/10	C07D411/10		51
C07D411/12	9	linked by a chain containing hetero atoms as chain links	C07D411/12	C07D411/12		248
C07D411/14	8	containing three or more hetero rings	C07D411/14	C07D411/14		214
C07D413/00	7	Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms	C07D413/00	C07D413/00		55
C07D413/02	8	containing two hetero rings	C07D413/02	C07D413/02		89
C07D413/04	9	directly linked by a ring-member-to-ring-member bond	C07D413/04	C07D413/04		7151
C07D413/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D413/06	C07D413/06		3608
C07D413/08	9	linked by a carbon chain containing alicyclic rings	C07D413/08	C07D413/08		175
C07D413/10	9	linked by a carbon chain containing aromatic rings	C07D413/10	C07D413/10		3016
C07D413/12	9	linked by a chain containing hetero atoms as chain links	C07D413/12	C07D413/12		10024
C07D413/14	8	containing three or more hetero rings	C07D413/14	C07D413/14		12800
C07D415/00	7	Heterocyclic compounds containing the thiamine skeleton	C07D415/00	C07D415/00		135
C07D417/00	7	Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00	C07D417/00	C07D417/00		28
C07D417/02	8	containing two hetero rings	C07D417/02	C07D417/02		80
C07D417/04	9	directly linked by a ring-member-to-ring-member bond	C07D417/04	C07D417/04		6605
C07D417/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D417/06	C07D417/06		4021
C07D417/08	9	linked by a carbon chain containing alicyclic rings	C07D417/08	C07D417/08		130
C07D417/10	9	linked by a carbon chain containing aromatic rings	C07D417/10	C07D417/10		1713
C07D417/12	9	linked by a chain containing hetero atoms as chain links	C07D417/12	C07D417/12		11739
C07D417/14	8	containing three or more hetero rings	C07D417/14	C07D417/14		12078
C07D419/00	7	Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms	C07D419/00	C07D419/00		8
C07D419/02	8	containing two hetero rings	C07D419/02	C07D419/02		5
C07D419/04	9	directly linked by a ring-member-to-ring-member bond	C07D419/04	C07D419/04		86
C07D419/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D419/06	C07D419/06		32
C07D419/08	9	linked by a carbon chain containing alicyclic rings	C07D419/08	C07D419/08		4
C07D419/10	9	linked by a carbon chain containing aromatic rings	C07D419/10	C07D419/10		36
C07D419/12	9	linked by a chain containing hetero atoms as chain links	C07D419/12	C07D419/12		105
C07D419/14	8	containing three or more hetero rings	C07D419/14	C07D419/14		138
C07D421/00	7	Heterocyclic compounds containing two or more hetero rings, at least one ring having selenium, tellurium, or halogen atoms as ring hetero atoms	C07D421/00	C07D421/00		3
C07D421/02	8	containing two hetero rings	C07D421/02	C07D421/02		4
C07D421/04	9	directly linked by a ring-member-to-ring-member bond	C07D421/04	C07D421/04		143
C07D421/06	9	linked by a carbon chain containing only aliphatic carbon atoms	C07D421/06	C07D421/06		59
C07D421/08	9	linked by a carbon chain containing alicyclic rings	C07D421/08	C07D421/08		2
C07D421/10	9	linked by a carbon chain containing aromatic rings	C07D421/10	C07D421/10		57
C07D421/12	9	linked by a chain containing hetero atoms as chain links	C07D421/12	C07D421/12		85
C07D421/14	8	containing three or more hetero rings	C07D421/14	C07D421/14		233
C07D451/00	7	Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0&lt;2,4&gt;] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof	C07D451/00	C07D451/00		90
C07D451/02	8	containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0&lt;2,4&gt;] nonane ring systems, e.g. tropane; Cyclic acetals thereof	C07D451/02	C07D451/02		892
C07D451/04	9	with hetero atoms directly attached in position 3 of the 8-azabicyclo [3.2.1] octane or in position 7 of the 3-oxa-9-azatricyclo [3.3.1.0&lt;2,4&gt;] nonane ring system	C07D451/04	C07D451/04		593
C07D451/06	10	Oxygen atoms	C07D451/06	C07D451/06		600
C07D451/08	11	Diarylmethoxy radicals	C07D451/08	C07D451/08		25
C07D451/10	11	acylated by aliphatic or araliphatic carboxylic acids, e.g. atropine, scopolamine	C07D451/10	C07D451/10		440
C07D451/12	11	acylated by aromatic or heteroaromatic carboxylic acids, e.g. cocaine	C07D451/12	C07D451/12		137
C07D451/14	8	containing 9-azabicyclo [3.3.1] nonane ring systems, e.g. granatane, 2-aza-adamantane; Cyclic acetals thereof	C07D451/14	C07D451/14		371
C07D453/00	7	Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids	C07D453/00	C07D453/00		60
C07D453/02	8	containing not further condensed quinuclidine ring systems	C07D453/02	C07D453/02		1553
C07D453/04	9	having a quinolyl-4, a substituted quinolyl-4 or a alkylenedioxy-quinolyl-4 radical linked through only one carbon atom, attached in position 2, e.g. quinine	C07D453/04	C07D453/04		495
C07D453/06	8	containing isoquinuclidine ring systems	C07D453/06	C07D453/06		282
C07D455/00	7	Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine	C07D455/00	C07D455/00		189
C07D455/02	8	containing not further condensed quinolizine ring systems	C07D455/02	C07D455/02		242
C07D455/03	8	containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine	C07D455/03	C07D455/03		494
C07D455/04	9	containing a quinolizine ring system condensed with only one six-membered carbocyclic ring, e.g. julolidine	C07D455/04	C07D455/04		428
C07D455/06	10	containing benzo [a] quinolizine ring systems	C07D455/06	C07D455/06		239
C07D455/08	11	having an isoquinolyl-1, a substituted isoquinolyl-1 or an alkylenedioxyisoquinolyl-1 radical linked through only one carbon atom, attached in position 2, e.g. emetine	C07D455/08	C07D455/08		80
C07D457/00	7	Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:  , e.g. lysergic acid (compounds of the cyclic peptide type derived from ergotamane C07D519/02)	C07D457/00	C07D457/00		29
C07D457/02	8	with hydrocarbon or substituted hydrocarbon radicals, attached in position 8	C07D457/02	C07D457/02		290
C07D457/04	8	with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 8	C07D457/04	C07D457/04		236
C07D457/06	9	Lysergic acid amides	C07D457/06	C07D457/06		233
C07D457/08	10	in which the amide nitrogen is a member of a heterocyclic ring	C07D457/08	C07D457/08		37
C07D457/10	8	with hetero atoms directly attached in position 8	C07D457/10	C07D457/10		22
C07D457/12	9	Nitrogen atoms	C07D457/12	C07D457/12		108
C07D457/14	8	containing indolo [4, 3-f, g] quinoline ring systems condensed with carbocyclic rings or ring systems	C07D457/14	C07D457/14		4
C07D459/00	7	Heterocyclic compounds containing benz [g] indolo [2, 3-a] quinolizine ring systems, e.g. yohimbine; 16, 18-lactones thereof, e.g. reserpic acid lactone	C07D459/00	C07D459/00		403
C07D461/00	7	Heterocyclic compounds containing indolo [3,2,1-d,e] pyrido [3,2,1,j] [1,5]-naphthyridine ring systems, e.g. vincamine (dimeric indolo alkaloids C07D519/04)	C07D461/00	C07D461/00		338
C07D463/00	7	Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:  , e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring	C07D463/00	C07D463/00		11
C07D463/02	8	Preparation (by microbiological processes C12P17/18)	C07D463/02	C07D463/02		1
C07D463/04	9	by forming the ring or condensed ring systems	C07D463/04	C07D463/04		12
C07D463/06	9	from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents	C07D463/06	C07D463/06		37
C07D463/08	10	Modification of a carboxyl group directly attached in position 2, e.g. esterification	C07D463/08	C07D463/08		3
C07D463/10	8	with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D463/10	C07D463/10		
C07D463/12	9	with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals attached in position 7	C07D463/12	C07D463/12		7
C07D463/14	9	with hetero atoms directly attached in position 7	C07D463/14	C07D463/14		
C07D463/16	10	Nitrogen atoms	C07D463/16	C07D463/16		28
C07D463/18	11	further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof	C07D463/18	C07D463/18		24
C07D463/20	12	with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D463/20	C07D463/20		28
C07D463/22	13	further substituted by nitrogen atoms	C07D463/22	C07D463/22		102
C07D471/00	7	Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00&#160;-&#160;C07D463/00	C07D471/00	C07D471/00		131
C07D471/02	8	in which the condensed system contains two hetero rings	C07D471/02	C07D471/02		137
C07D471/04	9	Ortho-condensed systems	C07D471/04	C07D471/04		31710
C07D471/06	9	Peri-condensed systems	C07D471/06	C07D471/06		1927
C07D471/08	9	Bridged systems	C07D471/08	C07D471/08		2374
C07D471/10	9	Spiro-condensed systems	C07D471/10	C07D471/10		3039
C07D471/12	8	in which the condensed system contains three hetero rings	C07D471/12	C07D471/12		103
C07D471/14	9	Ortho-condensed systems	C07D471/14	C07D471/14		3456
C07D471/16	9	Peri-condensed systems	C07D471/16	C07D471/16		687
C07D471/18	9	Bridged systems	C07D471/18	C07D471/18		591
C07D471/20	9	Spiro-condensed systems	C07D471/20	C07D471/20		590
C07D471/22	8	in which the condensed systems contains four or more hetero rings	C07D471/22	C07D471/22		1436
C07D473/00	7	Heterocyclic compounds containing purine ring systems	C07D473/00	C07D473/00		1281
C07D473/02	8	with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6	C07D473/02	C07D473/02		71
C07D473/04	9	two oxygen atoms	C07D473/04	C07D473/04		527
C07D473/06	10	with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3	C07D473/06	C07D473/06		560
C07D473/08	11	with methyl radicals in positions 1 and 3, e.g. theophylline	C07D473/08	C07D473/08		955
C07D473/10	11	with methyl radicals in positions 3 and 7, e.g. theobromine	C07D473/10	C07D473/10		310
C07D473/12	11	with methyl radicals in positions 1, 3, and 7, e.g. caffeine	C07D473/12	C07D473/12		358
C07D473/14	11	with two methyl radicals in positions 1 and 3 and two methyl radicals in positions 7, 8, or 9	C07D473/14	C07D473/14		20
C07D473/16	9	two nitrogen atoms	C07D473/16	C07D473/16		472
C07D473/18	9	one oxygen and one nitrogen atom, e.g. guanine	C07D473/18	C07D473/18		852
C07D473/20	9	two sulfur atoms	C07D473/20	C07D473/20		31
C07D473/22	9	one oxygen and one sulfur atom	C07D473/22	C07D473/22		64
C07D473/24	9	one nitrogen and one sulfur atom	C07D473/24	C07D473/24		155
C07D473/26	8	with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both	C07D473/26	C07D473/26		25
C07D473/28	9	Oxygen atom	C07D473/28	C07D473/28		69
C07D473/30	10	attached in position 6, e.g. hypoxanthine	C07D473/30	C07D473/30		332
C07D473/32	9	Nitrogen atom	C07D473/32	C07D473/32		328
C07D473/34	10	attached in position 6, e.g. adenine	C07D473/34	C07D473/34		1364
C07D473/36	9	Sulfur atom	C07D473/36	C07D473/36		35
C07D473/38	10	attached in position 6	C07D473/38	C07D473/38		214
C07D473/40	8	with halogen atoms or perhalogeno-alkyl radicals directly attached in position 2 or 6	C07D473/40	C07D473/40		416
C07D475/00	7	Heterocyclic compounds containing pteridine ring systems	C07D475/00	C07D475/00		222
C07D475/02	8	with an oxygen atom directly attached in position 4	C07D475/02	C07D475/02		168
C07D475/04	9	with a nitrogen atom directly attached in position 2	C07D475/04	C07D475/04		757
C07D475/06	8	with a nitrogen atom directly attached in position 4	C07D475/06	C07D475/06		103
C07D475/08	9	with a nitrogen atom directly attached in position 2	C07D475/08	C07D475/08		428
C07D475/10	9	with an aromatic or hetero-aromatic ring directly attached in position 2	C07D475/10	C07D475/10		85
C07D475/12	8	containing pteridine ring systems condensed with carbocyclic rings or ring systems	C07D475/12	C07D475/12		24
C07D475/14	9	Benz [g] pteridines, e.g. riboflavin	C07D475/14	C07D475/14		176
C07D477/00	7	Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring	C07D477/00	C07D477/00		63
C07D477/02	8	Preparation (by microbiological processes C12P17/18)	C07D477/02	C07D477/02		118
C07D477/04	9	by forming the ring or condensed ring systems	C07D477/04	C07D477/04		111
C07D477/06	9	from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents	C07D477/06	C07D477/06		98
C07D477/08	10	Modification of a carboxyl group directly attached in position 2, e.g. esterification	C07D477/08	C07D477/08		50
C07D477/10	8	with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 4, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D477/10	C07D477/10		55
C07D477/12	9	with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached in position 6	C07D477/12	C07D477/12		5
C07D477/14	10	with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached in position 3	C07D477/14	C07D477/14		204
C07D477/16	10	with hetero atoms or carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 3	C07D477/16	C07D477/16		10
C07D477/18	11	Oxygen atoms	C07D477/18	C07D477/18		26
C07D477/20	11	Sulfur atoms	C07D477/20	C07D477/20		630
C07D477/22	11	Nitrogen atoms	C07D477/22	C07D477/22		17
C07D477/24	9	with hetero atoms or carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 6	C07D477/24	C07D477/24		30
C07D477/26	8	with hetero atoms or carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 4	C07D477/26	C07D477/26		30
C07D487/00	7	Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00	C07D487/00	C07D487/00		134
C07D487/02	8	in which the condensed system contains two hetero rings	C07D487/02	C07D487/02		144
C07D487/04	9	Ortho-condensed systems	C07D487/04	C07D487/04		28026
C07D487/06	9	Peri-condensed systems	C07D487/06	C07D487/06		1132
C07D487/08	9	Bridged systems	C07D487/08	C07D487/08		3048
C07D487/10	9	Spiro-condensed systems	C07D487/10	C07D487/10		2165
C07D487/12	8	in which the condensed system contains three hetero rings	C07D487/12	C07D487/12		86
C07D487/14	9	Ortho-condensed systems	C07D487/14	C07D487/14		2146
C07D487/16	9	Peri-condensed systems	C07D487/16	C07D487/16		511
C07D487/18	9	Bridged systems	C07D487/18	C07D487/18		707
C07D487/20	9	Spiro-condensed systems	C07D487/20	C07D487/20		275
C07D487/22	8	in which the condensed system contains four or more hetero rings	C07D487/22	C07D487/22		3419
C07D489/00	7	Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: 	C07D489/00	C07D489/00		121
C07D489/02	8	with oxygen atoms attached in positions 3 and 6, e.g. morphine, morphinone	C07D489/02	C07D489/02		528
C07D489/04	9	Salts; Organic complexes	C07D489/04	C07D489/04		141
C07D489/06	8	with a hetero atom directly attached in position 14	C07D489/06	C07D489/06		21
C07D489/08	9	Oxygen atom	C07D489/08	C07D489/08		474
C07D489/09	8	containing 4aH-8, 9 c-Iminoethano- phenanthro [4, 5-b, c, d] furan ring systems condensed with carbocyclic rings or ring systems	C07D489/09	C07D489/09		12
C07D489/10	9	with a bridge between positions 6 and 14	C07D489/10	C07D489/10		7
C07D489/12	10	the bridge containing only two carbon atoms	C07D489/12	C07D489/12		133
C07D491/00	7	Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00&#160;-&#160;C07D459/00, C07D463/00, C07D477/00 or C07D489/00	C07D491/00	C07D491/00		30
C07D491/02	8	in which the condensed system contains two hetero rings	C07D491/02	C07D491/02		36
C07D491/04	9	Ortho-condensed systems	C07D491/04	C07D491/04		3705
C07D491/044	10	with only one oxygen atom as ring hetero atom in the oxygen-containing ring	C07D491/044	C07D491/044		375
C07D491/048	11	the oxygen-containing ring being five-membered	C07D491/048	C07D491/048		3932
C07D491/052	11	the oxygen-containing ring being six-membered	C07D491/052	C07D491/052		1498
C07D491/056	10	with two or more oxygen atoms as ring hetero atoms in the oxygen-containing ring	C07D491/056	C07D491/056		1033
C07D491/06	9	Peri-condensed systems	C07D491/06	C07D491/06		426
C07D491/08	9	Bridged systems	C07D491/08	C07D491/08		876
C07D491/10	9	Spiro-condensed systems	C07D491/10	C07D491/10		1633
C07D491/107	10	with only one oxygen atom as ring hetero atom in the oxygen-containing ring	C07D491/107	C07D491/107		2702
C07D491/113	10	with two or more oxygen atoms as ring hetero atoms in the oxygen-containing ring	C07D491/113	C07D491/113		401
C07D491/12	8	in which the condensed system contains three hetero rings	C07D491/12	C07D491/12		37
C07D491/14	9	Ortho-condensed systems	C07D491/14	C07D491/14		605
C07D491/147	10	the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom	C07D491/147	C07D491/147		974
C07D491/153	10	the condensed system containing two rings with oxygen as ring hetero atom and one ring with nitrogen as ring hetero atom	C07D491/153	C07D491/153		316
C07D491/16	9	Peri-condensed systems	C07D491/16	C07D491/16		349
C07D491/18	9	Bridged systems	C07D491/18	C07D491/18		445
C07D491/20	9	Spiro-condensed systems	C07D491/20	C07D491/20		786
C07D491/22	8	in which the condensed system contains four or more hetero rings	C07D491/22	C07D491/22		1876
C07D493/00	7	Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system	C07D493/00	C07D493/00		70
C07D493/02	8	in which the condensed system contains two hetero rings	C07D493/02	C07D493/02		45
C07D493/04	9	Ortho-condensed systems	C07D493/04	C07D493/04		5482
C07D493/06	9	Peri-condensed systems	C07D493/06	C07D493/06		425
C07D493/08	9	Bridged systems	C07D493/08	C07D493/08		2201
C07D493/10	9	Spiro-condensed systems	C07D493/10	C07D493/10		2271
C07D493/12	8	in which the condensed system contains three hetero rings	C07D493/12	C07D493/12		27
C07D493/14	9	Ortho-condensed systems	C07D493/14	C07D493/14		427
C07D493/16	9	Peri-condensed systems	C07D493/16	C07D493/16		57
C07D493/18	9	Bridged systems	C07D493/18	C07D493/18		470
C07D493/20	9	Spiro-condensed systems	C07D493/20	C07D493/20		669
C07D493/22	8	in which the condensed system contains four or more hetero rings	C07D493/22	C07D493/22		796
C07D495/00	7	Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms	C07D495/00	C07D495/00		61
C07D495/02	8	in which the condensed system contains two hetero rings	C07D495/02	C07D495/02		52
C07D495/04	9	Ortho-condensed systems	C07D495/04	C07D495/04		11119
C07D495/06	9	Peri-condensed systems	C07D495/06	C07D495/06		315
C07D495/08	9	Bridged systems	C07D495/08	C07D495/08		202
C07D495/10	9	Spiro-condensed systems	C07D495/10	C07D495/10		953
C07D495/12	8	in which the condensed system contains three hetero rings	C07D495/12	C07D495/12		47
C07D495/14	9	Ortho-condensed systems	C07D495/14	C07D495/14		1905
C07D495/16	9	Peri-condensed systems	C07D495/16	C07D495/16		186
C07D495/18	9	Bridged systems	C07D495/18	C07D495/18		89
C07D495/20	9	Spiro-condensed systems	C07D495/20	C07D495/20		214
C07D495/22	8	in which the condensed system contains four or more hetero rings	C07D495/22	C07D495/22		938
C07D497/00	7	Heterocyclic compounds containing in the condensed system at least one hetero ring having oxygen and sulfur atoms as the only ring hetero atoms	C07D497/00	C07D497/00		4
C07D497/02	8	in which the condensed system contains two hetero rings	C07D497/02	C07D497/02		5
C07D497/04	9	Ortho-condensed systems	C07D497/04	C07D497/04		263
C07D497/06	9	Peri-condensed systems	C07D497/06	C07D497/06		7
C07D497/08	9	Bridged systems	C07D497/08	C07D497/08		39
C07D497/10	9	Spiro-condensed systems	C07D497/10	C07D497/10		140
C07D497/12	8	in which the condensed system contains three hetero rings	C07D497/12	C07D497/12		
C07D497/14	9	Ortho-condensed systems	C07D497/14	C07D497/14		26
C07D497/16	9	Peri-condensed systems	C07D497/16	C07D497/16		2
C07D497/18	9	Bridged systems	C07D497/18	C07D497/18		24
C07D497/20	9	Spiro-condensed systems	C07D497/20	C07D497/20		26
C07D497/22	8	in which the condensed system contains four or more hetero rings	C07D497/22	C07D497/22		32
C07D498/00	7	Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms (4-oxa-1-azabicyclo [3.2.0] heptanes, e.g. oxapenicillins C07D503/00; 5-oxa-1-azabicyclo [4.2.0] octanes, e.g. oxacephalosporins C07D505/00; analogues thereof having ring oxygen atoms in other position C07D507/00)	C07D498/00	C07D498/00		56
C07D498/02	8	in which the condensed system contains two hetero rings	C07D498/02	C07D498/02		56
C07D498/04	9	Ortho-condensed systems	C07D498/04	C07D498/04		5237
C07D498/06	9	Peri-condensed systems	C07D498/06	C07D498/06		631
C07D498/08	9	Bridged systems	C07D498/08	C07D498/08		1347
C07D498/10	9	Spiro-condensed systems	C07D498/10	C07D498/10		1075
C07D498/12	8	in which the condensed system contains three hetero rings	C07D498/12	C07D498/12		54
C07D498/14	9	Ortho-condensed systems	C07D498/14	C07D498/14		1115
C07D498/16	9	Peri-condensed systems	C07D498/16	C07D498/16		316
C07D498/18	9	Bridged systems	C07D498/18	C07D498/18		1332
C07D498/20	9	Spiro-condensed systems	C07D498/20	C07D498/20		339
C07D498/22	8	in which the condensed system contains four or more hetero rings	C07D498/22	C07D498/22		1311
C07D499/00	7	Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:  , e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring	C07D499/00	C07D499/00		3315
C07D499/04	8	Preparation	C07D499/04	C07D499/04		129
C07D499/06	9	by forming the ring or condensed ring systems (by microbiological processes C12P37/00)	C07D499/06	C07D499/06		22
C07D499/08	9	Modification of a carboxyl radical directly attached in position 2, e.g. esterification	C07D499/08	C07D499/08		62
C07D499/10	9	Modification of an amino radical directly attached in position 6	C07D499/10	C07D499/10		25
C07D499/12	10	Acylation	C07D499/12	C07D499/12		63
C07D499/14	9	Preparation of salts	C07D499/14	C07D499/14		50
C07D499/16	10	of alkali or alkaline earth metals	C07D499/16	C07D499/16		146
C07D499/18	9	Separation; Purification	C07D499/18	C07D499/18		182
C07D499/20	10	via salts with organic bases	C07D499/20	C07D499/20		3
C07D499/21	8	with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D499/21	C07D499/21		25
C07D499/22	9	Salts with organic bases; Complexes with organic compounds	C07D499/22	C07D499/22		20
C07D499/24	10	with acyclic or carbocyclic compounds containing amino radicals	C07D499/24	C07D499/24		11
C07D499/26	10	with heterocyclic compounds	C07D499/26	C07D499/26		1
C07D499/28	9	with modified 2-carboxyl group	C07D499/28	C07D499/28		4
C07D499/30	10	Acid anhydride	C07D499/30	C07D499/30		
C07D499/32	10	Esters	C07D499/32	C07D499/32		42
C07D499/34	10	Thio-acid; Esters thereof	C07D499/34	C07D499/34		1
C07D499/36	11	O-esters	C07D499/36	C07D499/36		1
C07D499/38	11	S-esters	C07D499/38	C07D499/38		
C07D499/40	10	Amides; Hydrazides; Azides	C07D499/40	C07D499/40		1
C07D499/42	9	Compounds with a free primary amino radical attached in position 6	C07D499/42	C07D499/42		82
C07D499/44	9	Compounds with an amino radical acylated by carboxylic acids, attached in position 6	C07D499/44	C07D499/44		28
C07D499/46	10	with acyclic hydrocarbon radicals or such radicals substituted by carbocyclic or heterocyclic rings, attached to the carboxamido radical	C07D499/46	C07D499/46		56
C07D499/48	10	with a carbon chain, substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, attached to the carboxamido radical	C07D499/48	C07D499/48		7
C07D499/50	11	substituted in beta-position to the carboxamido radical	C07D499/50	C07D499/50		
C07D499/52	12	by oxygen or sulfur atoms	C07D499/52	C07D499/52		2
C07D499/54	12	by nitrogen atoms	C07D499/54	C07D499/54		6
C07D499/56	12	by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D499/56	C07D499/56		3
C07D499/58	11	substituted in alpha-position to the carboxamido radical	C07D499/58	C07D499/58		12
C07D499/60	12	by oxygen atoms	C07D499/60	C07D499/60		22
C07D499/62	12	by sulfur atoms	C07D499/62	C07D499/62		17
C07D499/64	12	by nitrogen atoms	C07D499/64	C07D499/64		59
C07D499/66	13	with alicyclic rings as additional substituents on the carbon chain	C07D499/66	C07D499/66		8
C07D499/68	13	with aromatic rings as additional substituents on the carbon chain	C07D499/68	C07D499/68		241
C07D499/70	13	with hetero rings as additional substituents on the carbon chain	C07D499/70	C07D499/70		28
C07D499/72	12	by carbon atoms having three bonds to hetero atoms	C07D499/72	C07D499/72		16
C07D499/74	10	with carbocyclic rings directly attached to the carboxamido radical	C07D499/74	C07D499/74		29
C07D499/76	10	with hetero rings directly attached to the carboxamido radical	C07D499/76	C07D499/76		27
C07D499/78	9	Compounds with an amino radical, acylated by carbonic acid, or by nitrogen or sulfur analogues thereof, attached in position 6	C07D499/78	C07D499/78		8
C07D499/80	9	Compounds with a nitrogen-containing hetero ring, attached with the ring nitrogen atom in position 6	C07D499/80	C07D499/80		12
C07D499/86	8	with only atoms other than nitrogen atoms directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D499/86	C07D499/86		85
C07D499/861	9	with a hydrocarbon radical or a substituted hydrocarbon radical, directly attached in position 6	C07D499/861	C07D499/861		9
C07D499/865	9	with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 6	C07D499/865	C07D499/865		11
C07D499/87	8	Compounds being unsubstituted in position 3 or with substituents other than only two methyl radicals attached in position 3, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D499/87	C07D499/87		59
C07D499/88	8	Compounds with a double bond between positions 2 and 3 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D499/88	C07D499/88		295
C07D499/881	9	with a hydrogen atom or an unsubstituted hydrocarbon radical, attached in position 3	C07D499/881	C07D499/881		6
C07D499/883	9	with a substituted hydrocarbon radical attached in position 3	C07D499/883	C07D499/883		6
C07D499/887	9	with a hetero atom or a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 3	C07D499/887	C07D499/887		11
C07D499/893	9	with a hetero ring or a condensed hetero ring system, directly attached in position 3	C07D499/893	C07D499/893		12
C07D499/897	8	Compounds with substituents other than a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, directly attached in position 2	C07D499/897	C07D499/897		13
C07D499/90	8	further condensed with carbocyclic rings or ring systems	C07D499/90	C07D499/90		1
C07D501/00	7	Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:  , e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring	C07D501/00	C07D501/00		844
C07D501/02	8	Preparation	C07D501/02	C07D501/02		87
C07D501/04	9	from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents	C07D501/04	C07D501/04		879
C07D501/06	10	Acylation of 7-aminocephalosporanic acid	C07D501/06	C07D501/06		307
C07D501/08	9	by forming the ring or condensed ring systems (by microbiological processes C12P35/00)	C07D501/08	C07D501/08		51
C07D501/10	10	from compounds containing the penicillin ring system	C07D501/10	C07D501/10		58
C07D501/12	9	Separation; Purification	C07D501/12	C07D501/12		640
C07D501/14	8	Compounds having a nitrogen atom directly attached in position 7	C07D501/14	C07D501/14		63
C07D501/16	9	with a double bond between positions 2 and 3	C07D501/16	C07D501/16		93
C07D501/18	10	7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids	C07D501/18	C07D501/18		363
C07D501/20	10	7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids	C07D501/20	C07D501/20		527
C07D501/22	11	with radicals containing only hydrogen and carbon atoms, attached in position 3	C07D501/22	C07D501/22		486
C07D501/24	11	with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3	C07D501/24	C07D501/24		441
C07D501/26	12	Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group	C07D501/26	C07D501/26		137
C07D501/28	13	with the 7-amino radical acylated by an aliphatic carboxylic acid, which is substituted by hetero atoms	C07D501/28	C07D501/28		97
C07D501/30	13	with the 7-amino-radical acylated by an araliphatic carboxylic acid	C07D501/30	C07D501/30		20
C07D501/32	13	with the 7-amino radical acylated by an araliphatic carboxylic acid, which is substituted on the aliphatic radical by hetero atoms	C07D501/32	C07D501/32		62
C07D501/34	13	with the 7-amino radical acylated by carboxylic acids containing hetero rings	C07D501/34	C07D501/34		422
C07D501/36	12	Methylene radicals, substituted by sulfur atoms	C07D501/36	C07D501/36		954
C07D501/38	12	Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof	C07D501/38	C07D501/38		101
C07D501/40	13	with the 7-amino radical acylated by an aliphatic carboxylic acid, which is substituted by hetero atoms	C07D501/40	C07D501/40		12
C07D501/42	13	with the 7-amino radical acylated by an araliphatic carboxylic acid	C07D501/42	C07D501/42		15
C07D501/44	13	with the 7-amino radical acylated by an araliphatic carboxylic acid, which is substituted on the aliphatic radical by hetero atoms	C07D501/44	C07D501/44		9
C07D501/46	13	with the 7-amino radical acylated by carboxylic acids containing hetero rings	C07D501/46	C07D501/46		373
C07D501/48	12	Methylene radicals, substituted by hetero rings (C07D501/38&#160;-&#160;C07D501/46 take precedence)	C07D501/48	C07D501/48		19
C07D501/50	13	with the 7-amino radical acylated by an aliphatic carboxylic acid, which is substituted by hetero atoms	C07D501/50	C07D501/50		2
C07D501/52	13	with the 7-amino radical acylated by an araliphatic carboxylic acid	C07D501/52	C07D501/52		8
C07D501/54	13	with the 7-amino radical acylated by an araliphatic carboxylic acid, which is substituted on the aliphatic radical by hetero atoms	C07D501/54	C07D501/54		11
C07D501/56	13	with the 7-amino radical acylated by carboxylic acids containing hetero rings	C07D501/56	C07D501/56		109
C07D501/57	11	with a further substituent in position 7, e.g. cephamycines	C07D501/57	C07D501/57		265
C07D501/58	10	with a nitrogen atom, which is a member of a hetero ring, attached in position 7	C07D501/58	C07D501/58		28
C07D501/59	10	with hetero atoms directly attached in position 3	C07D501/59	C07D501/59		158
C07D501/60	9	with a double bond between positions 3 and 4	C07D501/60	C07D501/60		64
C07D501/62	8	Compounds further condensed with a carbocyclic ring or ring system	C07D501/62	C07D501/62		5
C07D503/00	7	Heterocyclic compounds containing 4-oxa-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:  , e.g. oxapenicillins, clavulanic acid derivatives; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring	C07D503/00	C07D503/00		301
C07D503/02	8	Preparation (by microbiological processes C12P17/18)	C07D503/02	C07D503/02		15
C07D503/04	9	by forming the ring or condensed ring systems	C07D503/04	C07D503/04		4
C07D503/06	9	from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents	C07D503/06	C07D503/06		2
C07D503/08	10	Modification of a carboxyl group directly attached in position 2, e.g. esterification	C07D503/08	C07D503/08		3
C07D503/10	8	with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D503/10	C07D503/10		5
C07D503/12	9	unsubstituted in position 6	C07D503/12	C07D503/12		2
C07D503/14	10	with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, other than a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, attached in position 3	C07D503/14	C07D503/14		3
C07D503/16	11	Radicals substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical	C07D503/16	C07D503/16		1
C07D503/18	12	by oxygen atoms	C07D503/18	C07D503/18		22
C07D503/20	12	by sulfur atoms	C07D503/20	C07D503/20		
C07D503/22	12	by nitrogen atoms	C07D503/22	C07D503/22		
C07D505/00	7	Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:  , e.g. oxacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring	C07D505/00	C07D505/00		264
C07D505/02	8	Preparation (by microbiological processes C12P17/18)	C07D505/02	C07D505/02		11
C07D505/04	9	by forming the ring or condensed ring systems	C07D505/04	C07D505/04		8
C07D505/06	9	from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents	C07D505/06	C07D505/06		32
C07D505/08	10	Modification of a carboxyl group directly attached in position 2, e.g. esterification	C07D505/08	C07D505/08		10
C07D505/10	8	with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2	C07D505/10	C07D505/10		1
C07D505/12	9	substituted in position 7	C07D505/12	C07D505/12		4
C07D505/14	10	with hetero atoms directly attached in position 7	C07D505/14	C07D505/14		1
C07D505/16	11	Nitrogen atoms	C07D505/16	C07D505/16		5
C07D505/18	12	further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof	C07D505/18	C07D505/18		16
C07D505/20	13	with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen	C07D505/20	C07D505/20		35
C07D505/22	14	further substituted by singly-bound nitrogen atoms	C07D505/22	C07D505/22		2
C07D505/24	14	further substituted by doubly-bound nitrogen atoms	C07D505/24	C07D505/24		7
C07D507/00	7	Heterocyclic compounds containing a condensed beta-lactam ring system, not provided for by groups C07D463/00, C07D477/00 or C07D499/00&#160;-&#160;C07D505/00; Such ring systems being further condensed	C07D507/00	C07D507/00		14
C07D507/02	8	containing 3-oxa-1-azabicyclo [3.2.0] heptane ring systems	C07D507/02	C07D507/02		
C07D507/04	8	containing 2-oxa-1-azabicyclo [4.2.0] octane ring systems	C07D507/04	C07D507/04		
C07D507/06	8	containing 3-oxa-1-azabicyclo [4.2.0] octane ring systems	C07D507/06	C07D507/06		
C07D507/08	8	containing 4-oxa-1-azabicyclo [4.2.0] octane ring systems	C07D507/08	C07D507/08		
C07D513/00	7	Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00&#160;-&#160;C07D507/00	C07D513/00	C07D513/00		35
C07D513/02	8	in which the condensed system contains two hetero rings	C07D513/02	C07D513/02		34
C07D513/04	9	Ortho-condensed systems	C07D513/04	C07D513/04		7200
C07D513/06	9	Peri-condensed systems	C07D513/06	C07D513/06		307
C07D513/08	9	Bridged systems	C07D513/08	C07D513/08		191
C07D513/10	9	Spiro-condensed systems	C07D513/10	C07D513/10		399
C07D513/12	8	in which the condensed system contains three hetero rings	C07D513/12	C07D513/12		19
C07D513/14	9	Ortho-condensed systems	C07D513/14	C07D513/14		718
C07D513/16	9	Peri-condensed systems	C07D513/16	C07D513/16		145
C07D513/18	9	Bridged systems	C07D513/18	C07D513/18		159
C07D513/20	9	Spiro-condensed systems	C07D513/20	C07D513/20		130
C07D513/22	8	in which the condensed system contains four or more hetero rings	C07D513/22	C07D513/22		503
C07D515/00	7	Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00&#160;-&#160;C07D507/00	C07D515/00	C07D515/00		6
C07D515/02	8	in which the condensed system contains two hetero rings	C07D515/02	C07D515/02		6
C07D515/04	9	Ortho-condensed systems	C07D515/04	C07D515/04		108
C07D515/06	9	Peri-condensed systems	C07D515/06	C07D515/06		14
C07D515/08	9	Bridged systems	C07D515/08	C07D515/08		42
C07D515/10	9	Spiro-condensed systems	C07D515/10	C07D515/10		21
C07D515/12	8	in which the condensed system contains three hetero rings	C07D515/12	C07D515/12		3
C07D515/14	9	Ortho-condensed systems	C07D515/14	C07D515/14		36
C07D515/16	9	Peri-condensed systems	C07D515/16	C07D515/16		12
C07D515/18	9	Bridged systems	C07D515/18	C07D515/18		65
C07D515/20	9	Spiro-condensed systems	C07D515/20	C07D515/20		18
C07D515/22	8	in which the condensed system contains four or more hetero rings	C07D515/22	C07D515/22		141
C07D517/00	7	Heterocyclic compounds containing in the condensed system at least one hetero ring having selenium, tellurium, or halogen atoms as ring hetero atoms	C07D517/00	C07D517/00		15
C07D517/02	8	in which the condensed system contains two hetero rings	C07D517/02	C07D517/02		4
C07D517/04	9	Ortho-condensed systems	C07D517/04	C07D517/04		275
C07D517/06	9	Peri-condensed systems	C07D517/06	C07D517/06		39
C07D517/08	9	Bridged systems	C07D517/08	C07D517/08		17
C07D517/10	9	Spiro-condensed systems	C07D517/10	C07D517/10		38
C07D517/12	8	in which the condensed system contains three hetero rings	C07D517/12	C07D517/12		3
C07D517/14	9	Ortho-condensed systems	C07D517/14	C07D517/14		81
C07D517/16	9	Peri-condensed systems	C07D517/16	C07D517/16		37
C07D517/18	9	Bridged systems	C07D517/18	C07D517/18		2
C07D517/20	9	Spiro-condensed systems	C07D517/20	C07D517/20		21
C07D517/22	8	in which the condensed system contains four or more hetero rings	C07D517/22	C07D517/22		132
C07D519/00	7	Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00	C07D519/00	C07D519/00		10508
C07D519/02	8	Ergot alkaloids of the cyclic peptide type	C07D519/02	C07D519/02		174
C07D519/04	8	Dimeric indole alkaloids, e.g. vincaleucoblastine	C07D519/04	C07D519/04		308
C07D519/06	8	containing at least one condensed beta-lactam ring system, provided for by groups C07D463/00, C07D477/00 or C07D499/00&#160;-&#160;C07D507/00, e.g. a penem or a cepham system	C07D519/06	C07D519/06		58
C07D521/00	7	Heterocyclic compounds containing unspecified hetero rings<br><br><u>NOTE</u><br><br> This group is only used for the classification of heterocyclic compounds the chemical structure of which are not specified, i.e. only in those cases where the heterocyclic compounds cannot be classified in any of groups C07D201/00 - C07D519/00.	C07D521/00	C07D521/00		820
