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Class Information
Number: 540/96
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium or tellurium) or nitrogen as the only ring hetero atoms > Cyclopentanohydrophenanthrene ring system containing > Hetero ring attached directly to the cyclopentanohydrophenanthrene ring system by nonionic bonding > The hetero ring contains nitrogen > Plural nitrogen containing hetero rings bonded directly to the cyclopentanohydrophenanthrene ring system
Description: Compounds wherein at least two nitrogens containing hetero rings are bonded directly to the cyclopentanohydrophenanthrene ring system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7579461 |
Processes for the preparation of rocuronium bromide and intermediates thereof |
Aug. 25, 2009 |
| 6884799 |
Non-cross-linking pyrrolo[2,1-c][1,4]benzodiazepines and process thereof |
Apr. 26, 2005 |
| 6262042 |
17.beta.-amino and hydroxylamino-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties |
Jul. 17, 2001 |
| 5994335 |
17-azolyl steroids useful as androgen synthesis inhibitors |
Nov. 30, 1999 |
| 5994334 |
Androgen synthesis inhibitors |
Nov. 30, 1999 |
| 5817803 |
Process for preparing neuromuscular blocking agents and intermediates useful therefor |
Oct. 6, 1998 |
| 5679788 |
11 beta-substituted-19 nor-steroids |
Oct. 21, 1997 |
| 5591733 |
Methods, compositions, and compounds for allosteric modulation of the gaba receptor by members of the androstane and pregnane series |
Jan. 7, 1997 |
| 5591735 |
Androstane derivatives substituted by a quaternary ammonium group in 16-position, pharmaceutical compositions containing them and process for preparing same |
Jan. 7, 1997 |
| 5556846 |
17-heterocyclyl-14beta-5alpha-androstane, androstene and androstadiene derivatives active on the cardiovascular system, and pharmaceutical compositions containing same |
Sep. 17, 1996 |
| 5449795 |
Process for synthesis of steroidal allylic tert. alcohols |
Sep. 12, 1995 |
| 5410040 |
Diamino-androstane derivatives |
Apr. 25, 1995 |
| 5319115 |
Method for making 3.alpha.-hydroxy, 3.beta.-substituted-pregnanes |
Jun. 7, 1994 |
| 5232917 |
Methods, compositions, and compounds for allosteric modulation of the GABA receptor by members of the androstane and pregnane series |
Aug. 3, 1993 |
| 5208227 |
Method, compositions, and compounds for modulating brain excitability |
May. 4, 1993 |
| 5194602 |
9.alpha.-hydroxy-17-methylene steroids, process for their preparation and their use in the preparation of corticosteroids |
Mar. 16, 1993 |
| 4975537 |
.DELTA..sup.9(11) -angiostatic steroids |
Dec. 4, 1990 |
| 4954446 |
Aromatic steroid 5-.alpha.-reductase inhibitors |
Sep. 4, 1990 |
| 4894369 |
Novel 2.beta.-morpholino-androstane derivatives |
Jan. 16, 1990 |
| 4891366 |
Novel 2.beta.,16.beta.-diamino-androstanes |
Jan. 2, 1990 |
| 4447425 |
Mono- and bisquaternary ammonium derivatives of 2.beta.,16.beta.-di-amino-5.alpha.-androstane derivatives and pharmaceutical preparations containing same |
May. 8, 1984 |
| 4348390 |
Novel bis- and mono-quaternary ammonium derivatives of 2.beta.,16.beta.-dipiperidino-5.alpha.-androstanes, processes for their preparation and pharmaceutical preparations |
Sep. 7, 1982 |
| 4297351 |
Method of manufacture and use of improved 2.beta., 16.beta.-piperidino androstanes |
Oct. 27, 1981 |
| 4237126 |
2.beta., 16.beta.-bis-piperidino-androstanes |
Dec. 2, 1980 |
| 4177190 |
Diamino-androstanes and a process for the preparation of the said compounds |
Dec. 4, 1979 |
| 4110326 |
Acylated diepoxy-androstane and a process for the preparation thereof |
Aug. 29, 1978 |
| 4101545 |
Diamino-androstanes and a process for the preparation of the said compounds |
Jul. 18, 1978 |
| 4071515 |
Triamino-androstanes and a process for the preparation of the said compounds |
Jan. 31, 1978 |
| 4000125 |
Novel cardiotonic steroids, process for their preparation and therapeutical use |
Dec. 28, 1976 |
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