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Class Information
Number: 540/97
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 > The hetero ring is bonded directly at the 3-position of the cyclopentanohydrophenanthrene ring system
Description: Compounds in which the hetero ring is bonded directly at the 3-position of the cyclopentanohydrophenanthrene ring system.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7074778 |
Asthma associated factors as targets for treating atopic allergies including asthma and related disorders |
Jul. 11, 2006 |
| 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 |
| 5695738 |
Steroidal C-glycosides |
Dec. 9, 1997 |
| RE35517 |
Method, compositions, and compounds for modulating brain excitability |
May. 20, 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 |
| 5565588 |
9-alpha-hydroxy steroids, process for their preparation, process for the preparation of the corresponding 9(11)-dehydro derivatives and pharmaceutical preparations containing said steroids |
Oct. 15, 1996 |
| 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 |
| 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 |
| 5120723 |
Method, compositions, and compounds for modulating brain excitability |
Jun. 9, 1992 |
| 5003063 |
Conversion of steroidal 17-cyanohydrins to corticoids |
Mar. 26, 1991 |
| 4567001 |
16-Methylene-17.alpha.-hydroxy-progesterones |
Jan. 28, 1986 |
| 4548748 |
Cyanohydrin process |
Oct. 22, 1985 |
| 4501695 |
Spironalactone process |
Feb. 26, 1985 |
| 4292251 |
11.beta.-Substituted steroids |
Sep. 29, 1981 |
| 4273770 |
4-Halo steroids |
Jun. 16, 1981 |
| 4267106 |
New process for the preparation 17.beta.-hydroxy-3-oxo-17.alpha.-pregnene and pregnadiene-21-carboxylic acid .gamma.-lactones |
May. 12, 1981 |
| 4261986 |
4-Halo etianic acids and derivatives thereof |
Apr. 14, 1981 |
| 4198336 |
Chemical process for preparing androsta-4-ene 17.alpha.-carboxylic acids |
Apr. 15, 1980 |
| 4198403 |
17 Beta-thiocarboxylic acid esters of 4-halo-3-oxoandrost-4-enes |
Apr. 15, 1980 |
| 4186128 |
Novel process for the preparation of 3-oximes of steroids |
Jan. 29, 1980 |
| 4183923 |
Antipsoriatic compositions |
Jan. 15, 1980 |
| 4127596 |
Non-aromatic oxygenated strong acid dehydration of 9.alpha.-hydroxyandrostenediones |
Nov. 28, 1978 |
| 4102907 |
Desulfinylation process for preparing androsta-4,9(11)-diene-3,17-dione |
Jul. 25, 1978 |
| 4057542 |
Process for the preparation of 17.beta.-hydroxy-3-oxo-17.alpha.-pregn-4-ene-21-carboxylic acid .gamma.-lactone |
Nov. 8, 1977 |
| 4013688 |
Radioimmunoassay agents |
Mar. 22, 1977 |
| 3980687 |
Intermediates for the preparation of 17-substituted-.DELTA..sup.4 -gonenes |
Sep. 14, 1976 |
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