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Class Information
Number: 540/94
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
Description: Compounds in which a hetero ring is attached directly to the cyclopentanohydrophenanthrene ring system by nonionic bonding.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7087590 |
19-norbufalin derivatives, their preparation and pharmaceutical compositions containing them |
Aug. 8, 2006 |
| 6433200 |
Intermediates for preparation of 16-ene-vitamin D derivatives |
Aug. 13, 2002 |
| 6262042 |
17.beta.-amino and hydroxylamino-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties |
Jul. 17, 2001 |
| 6200965 |
17-Azolyl steroids useful as androgren synthesis inhibitors |
Mar. 13, 2001 |
| 5994335 |
17-azolyl steroids useful as androgen synthesis inhibitors |
Nov. 30, 1999 |
| 5843931 |
6,7-modified 11.beta.-aryl-4-oestrenes |
Dec. 1, 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 |
| 5712263 |
Steroid derivatives |
Jan. 27, 1998 |
| RE35517 |
Method, compositions, and compounds for modulating brain excitability |
May. 20, 1997 |
| 5593982 |
Cyclopentanperhydrophenanthren-17.beta.-(3-furyl)-3-derivatives and pharmaceutical compositions comprising same for the treatment of cardiovascular disorders |
Jan. 14, 1997 |
| 5591734 |
17-(3-furyl)-5.beta., 14.beta.-androstane derivatives active on the cardiovascular system, processes for their preparation and pharmaceutical compositions containing same |
Jan. 7, 1997 |
| 5591733 |
Methods, compositions, and compounds for allosteric modulation of the gaba receptor by members of the androstane and pregnane series |
Jan. 7, 1997 |
| 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 |
| 5432169 |
Cyclopentanperhydrophenanthren-17.beta.-(3-furyl)-3-derivatives and pharmaceutical compositions comprising same for the treatment of cardiovascular disorders |
Jul. 11, 1995 |
| 5382661 |
Pyrazinylpiperazinyl steroids |
Jan. 17, 1995 |
| 5359055 |
Pregnane derivatives and processes for production thereof |
Oct. 25, 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 |
| 5182381 |
Intermediates for 3-keto-19-nor-.DELTA..sup.4,9 -steroids |
Jan. 26, 1993 |
| 5175281 |
Pharmaceutically active pyrimidinylpiperazinylsterioids |
Dec. 29, 1992 |
| 5122521 |
Sterol compound |
Jun. 16, 1992 |
| 5120840 |
4-amino-4-ene-steroids and their use as 5.alpha.-reductase inhibitors |
Jun. 9, 1992 |
| 5120723 |
Method, compositions, and compounds for modulating brain excitability |
Jun. 9, 1992 |
| 5064822 |
Novel 3-keto-19-nor-.DELTA..sup.4,9 -steroids |
Nov. 12, 1991 |
| 5034548 |
Steroid derivatives useful as hypocholesterolemics |
Jul. 23, 1991 |
| 4921638 |
17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one |
May. 1, 1990 |
| 4898694 |
17-Hydroxy-steroids |
Feb. 6, 1990 |
| 4861763 |
17 .alpha.-(substituted-methyl)-17.beta.-hydroxy/esterified hydroxy steroids and their progestational use |
Aug. 29, 1989 |
| 4774236 |
17.alpha.-(substituted-methyl)-17.beta.-hydroxy/esterified hydroxy steroids and pharmaceutical compositions containing them |
Sep. 27, 1988 |
| 4717721 |
Sidechain homo-vitamin D compounds with preferential anti-cancer activity |
Jan. 5, 1988 |
| 4613463 |
Process and intermediates for the preparation of 17 alphahydroxyprogesterones and corticoids from an enol steroid |
Sep. 23, 1986 |
| 4558041 |
Antiandrogenic 17.alpha.-substituted steroids |
Dec. 10, 1985 |
| 4477445 |
3-Keto-19-nor-.DELTA.4,9-steroids |
Oct. 16, 1984 |
| 4380624 |
Novel isomers of bufalin and resibufogenin and their preparation |
Apr. 19, 1983 |
| 4272530 |
.DELTA..sup.1,3,5(10) -Estratrienes |
Jun. 9, 1981 |
| 4259240 |
Synthesis of furyl intermediates, and cardenolides and their isomers prepared therefrom |
Mar. 31, 1981 |
| 4233296 |
11.beta.-Substituted-.DELTA..sup.4,9 -estradienes |
Nov. 11, 1980 |
| 4203981 |
Novel 17 .alpha.-aryl-steroids |
May. 20, 1980 |
| 4011212 |
22-Cyano-24-norcholanes |
Mar. 8, 1977 |
| 4000125 |
Novel cardiotonic steroids, process for their preparation and therapeutical use |
Dec. 28, 1976 |
| 3969345 |
20.beta.,21-Epoxy-3.alpha.-hydroxy-5.alpha.-pregnanes and derivatives thereof |
Jul. 13, 1976 |
| 3931154 |
Process for the preparation of steroid oxiranes |
Jan. 6, 1976 |
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