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Class Information
Number: 540/95
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
Description: Compounds wherein the hetero ring contains nitrogen.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6262042 |
17.beta.-amino and hydroxylamino-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties |
Jul. 17, 2001 |
| 5817803 |
Process for preparing neuromuscular blocking agents and intermediates useful therefor |
Oct. 6, 1998 |
| 5721227 |
17-aryl and 17-heterocyclyl-14.beta.-5.alpha.-androstane, androstene and androstadiene derivatives active on the cardiovascular system, processes for their preparation and pharmaceutical compo |
Feb. 24, 1998 |
| 5695738 |
Steroidal C-glycosides |
Dec. 9, 1997 |
| 5679788 |
11 beta-substituted-19 nor-steroids |
Oct. 21, 1997 |
| RE35517 |
Method, compositions, and compounds for modulating brain excitability |
May. 20, 1997 |
| 5618807 |
Method for preparing 17-substituted steroids useful in cancer treatment |
Apr. 8, 1997 |
| 5604213 |
17-substituted steroids useful in cancer treatment |
Feb. 18, 1997 |
| 5593983 |
Substituted 2.beta.-morpholino-androstane derivatives |
Jan. 14, 1997 |
| 5591733 |
Methods, compositions, and compounds for allosteric modulation of the gaba receptor by members of the androstane and pregnane series |
Jan. 7, 1997 |
| 5567697 |
17-(4-pyridazinyl) -5.beta., 14.beta.-androstane derivatives active on the cardiovascular system, processes for their preparation and pharmaceutical compositions containing same |
Oct. 22, 1996 |
| 5536828 |
(E)-20 (22)-dehydrodiels-alder compounds |
Jul. 16, 1996 |
| 5521167 |
Cyclopentanperhydrophenanthren-17.beta.-(hydroxy or alkoxy)-17.alpha.-(Aryl or heterocyclyl)-3.beta.-derivatives active on the cardiovascular system, and pharmaceutical compositions containing |
May. 28, 1996 |
| 5449795 |
Process for synthesis of steroidal allylic tert. alcohols |
Sep. 12, 1995 |
| 5418226 |
Monoquaternary 2,16-bispiperidinylandrostane derivatives |
May. 23, 1995 |
| 5416079 |
21-chloro-pregnane derivative |
May. 16, 1995 |
| 5382661 |
Pyrazinylpiperazinyl steroids |
Jan. 17, 1995 |
| 5380840 |
Triazinylpiperazinyl steroids |
Jan. 10, 1995 |
| 5373095 |
Steroid compounds |
Dec. 13, 1994 |
| 5319115 |
Method for making 3.alpha.-hydroxy, 3.beta.-substituted-pregnanes |
Jun. 7, 1994 |
| 5314932 |
Antifouling coating and method for using same |
May. 24, 1994 |
| 5252630 |
Antifouling coating and method for using same |
Oct. 12, 1993 |
| 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 |
| 5175281 |
Pharmaceutically active pyrimidinylpiperazinylsterioids |
Dec. 29, 1992 |
| 5120723 |
Method, compositions, and compounds for modulating brain excitability |
Jun. 9, 1992 |
| 5017568 |
Steriod 5-alpha-reductase inhibitors |
May. 21, 1991 |
| 4975537 |
.DELTA..sup.9(11) -angiostatic steroids |
Dec. 4, 1990 |
| 4970205 |
Sulfonic acid substituted aromatic steroids as inhibitors of steroid 5-.alpha.-reductase |
Nov. 13, 1990 |
| 4946834 |
Phosphonic acid substituted steroids as steroid 5.alpha.-reductase inhibitors |
Aug. 7, 1990 |
| 4937237 |
Phosphinic acid substituted aromatic steroids as inhibitors of steroid 5-60 -reductase |
Jun. 26, 1990 |
| 4891366 |
Novel 2.beta.,16.beta.-diamino-androstanes |
Jan. 2, 1990 |
| 4882319 |
Phosphonic acid substituted aromatic steroids as inhibitors of steroid 5-.alpha.-reductase |
Nov. 21, 1989 |
| 4774236 |
17.alpha.-(substituted-methyl)-17.beta.-hydroxy/esterified hydroxy steroids and pharmaceutical compositions containing them |
Sep. 27, 1988 |
| 4548749 |
Process for the preparation of 21-hydroxy-20-keto-.DELTA..sup.16 -steroids and new intermediate compounds formed in this process |
Oct. 22, 1985 |
| 4519946 |
Steroids |
May. 28, 1985 |
| 4447424 |
Steroid derivatives |
May. 8, 1984 |
| 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 |
| 4386085 |
Novel steroids |
May. 31, 1983 |
| 4268441 |
Prodrugs for improved bioavailability of certain .DELTA..sup.4 -3-ketosteroidal sex hormones |
May. 19, 1981 |
| 4252719 |
Steroid conversion method and products produced thereby |
Feb. 24, 1981 |
| 4213978 |
Anti-acne and anti-seborrhea prodrug derivatives of progesterone |
Jul. 22, 1980 |
| 4203981 |
Novel 17 .alpha.-aryl-steroids |
May. 20, 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 |
| 4000125 |
Novel cardiotonic steroids, process for their preparation and therapeutical use |
Dec. 28, 1976 |
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