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Class Information
Number: 552/595
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Cyclopentanohydrophenanthrene ring system containing > Carbon bonded directly at the 17-beta-position of the cyclopentanohydrophenanthrene ring system is a member of an acyclic chain of two uninterrupted carbons (e.g., pregnanes, etc.) > Two oxygens bonded directly to the cyclopentanohydrophenanthrene ring system > Oxygen bonded directly at the 3- and 17-positions > Oxygen bonded directly at the 21-position > Unsaturation between the 4- and 5-positions (e.g., 17-alpha-hydroxy progesterones, etc.)
Description: Compounds which contain a double bond between the 4- and 5-positions of the cyclopentanohydrophenanthrene ring system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7495115 |
Steroid conjugates, preparation thereof and the use thereof |
Feb. 24, 2009 |
| 7087591 |
21-substituted progesterone derivatives as new antiprogestational agents |
Aug. 8, 2006 |
| 6900193 |
Structural modification of 19-norprogesterone I: 17-.alpha.-substituted-11-.beta.-substituted-4-aryl and 21-substituted 19-norpregnadienedione as new antiprogestational agents |
May. 31, 2005 |
| 6861415 |
21-substituted progesterone derivatives as new antiprogestational agents |
Mar. 1, 2005 |
| 6768014 |
PROCESS FOR PREPARING 17.alpha.-ACETOXY-11.beta.-[4-N,N(DIMETHYLAMINO)PHENYL]-21-METHOXY-19-NORP REGNA-4,9-DIENE-3,20-DIONE, INTERMEDIATES USEFUL IN THE PROCESS , AND PROCESSES FOR PREPARIN |
Jul. 27, 2004 |
| 6365582 |
S-substitute 11.beta.-benzaldoxime-estra-4, 9-diene-carbonic acid thiolesters, method for the production thereof and pharmaceutical preparations containing these compounds |
Apr. 2, 2002 |
| 6037339 |
C-11 substituted steroids for treating menopausal complaints |
Mar. 14, 2000 |
| 5723638 |
Process for 20-oxo-17.alpha.,21-diol steroids |
Mar. 3, 1998 |
| 5710293 |
Method of preparation of ester derivatives of steroids |
Jan. 20, 1998 |
| 5710144 |
C-11 substituted steroids for treating menopausal complaints |
Jan. 20, 1998 |
| 5616742 |
Process for preparing .DELTA.9,11 and 21-chloro corticosteroids |
Apr. 1, 1997 |
| 5608093 |
Corticosteroid 17-alkyl carbonate 21-[0]-carboxylic and carbonic esters, and pharmaceuticals containing these compounds |
Mar. 4, 1997 |
| 5502222 |
Process for preparing delta 9,11 and 21-chloro corticosteroids |
Mar. 26, 1996 |
| 5446036 |
13-alkyl-11beta-phenylgonanes |
Aug. 29, 1995 |
| 5412091 |
16-methyl-.DELTA.1,4-pregnadiene-3,20-dione |
May. 2, 1995 |
| 5352808 |
Process for steroid preparation |
Oct. 4, 1994 |
| 5273971 |
13-alkyl-11.beta.-phenylgonanes |
Dec. 28, 1993 |
| 4956482 |
Process for the preparation of pregnane derivatives |
Sep. 11, 1990 |
| 4948533 |
11a-hydroxy steroid diester |
Aug. 14, 1990 |
| 4933332 |
11-desoxy-17-.alpha.-hydroxycorticosterone derivatives |
Jun. 12, 1990 |
| 4929395 |
16.alpha.-methylation process |
May. 29, 1990 |
| 4921638 |
17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one |
May. 1, 1990 |
| 4920216 |
Selective chlorination of steroids and other substrates directed by covalently linked pyridine derivatives acting as templates |
Apr. 24, 1990 |
| 4913852 |
Compounds obtained from the associative synthesis of sulfur-containing or sulfur-free amino acids with pregnane derivatives |
Apr. 3, 1990 |
| 4870069 |
11.beta.-alkynyl-estrenes and -estradienes, their production and pharmaceutical preparations containing them |
Sep. 26, 1989 |
| 4831131 |
11.beta.,17.alpha.-Dihydroxy-17.beta.-cyano-androstanes |
May. 16, 1989 |
| 4810701 |
11-desoxy-17.alpha.-hydroxycorticosterone derivatives |
Mar. 7, 1989 |
| 4708823 |
17 .alpha.-chloroethynyl pregnane derivatives |
Nov. 24, 1987 |
| 4704455 |
16.alpha.-methylated.DELTA.17(20)-corticoids |
Nov. 3, 1987 |
| 4655971 |
Novel process for the preparation of steroidal esters |
Apr. 7, 1987 |
| 4634695 |
Steroid derivatives |
Jan. 6, 1987 |
| 4613463 |
Process and intermediates for the preparation of 17 alphahydroxyprogesterones and corticoids from an enol steroid |
Sep. 23, 1986 |
| 4600538 |
Corticosteroids from 17-keto steroids via 20-cyano-.DELTA..sup.17 (.sup.20)-pregnanes |
Jul. 15, 1986 |
| 4588530 |
Anti-inflammatory prednisolone steroids |
May. 13, 1986 |
| 4588718 |
Carboxy containing ester prodrugs of corticosteroids |
May. 13, 1986 |
| 4585591 |
17.beta.-ethynylsteroids and process for preparing same |
Apr. 29, 1986 |
| 4568492 |
.DELTA.16-20-Keto steroid conversion to 17.alpha.-hydroxy-20-keto steroids |
Feb. 4, 1986 |
| 4567002 |
Process for the preparation of 17-haloethynyl steroids, and novel 17-haloethynyl steroids |
Jan. 28, 1986 |
| 4565656 |
Preparation of 17.beta.-hydroxyacetyl-17.alpha.-ol-steroids |
Jan. 21, 1986 |
| 4555507 |
Novel 6, 16-dimethylcorticoids, their preparation and use |
Nov. 26, 1985 |
| 4548748 |
Cyanohydrin process |
Oct. 22, 1985 |
| 4547493 |
Novel 11.beta.-substituted-19-nor-steroids |
Oct. 15, 1985 |
| 4536401 |
11.beta.-aryl estradienes, processes for their production and pharmaceutical preparations containing them |
Aug. 20, 1985 |
| 4530795 |
Process for preparation of 16 .alpha.-methyl corticoids from .DELTA..sup.16 -steroids |
Jul. 23, 1985 |
| 4525303 |
Process for preparation of steroids |
Jun. 25, 1985 |
| 4500461 |
Cyanohydrin process |
Feb. 19, 1985 |
| 4472392 |
Sulfonate containing ester prodrugs of corticosteroids |
Sep. 18, 1984 |
| 4469689 |
Sulfonate containing ester prodrugs of corticosteroids |
Sep. 4, 1984 |
| 4456602 |
Amine containing ester prodrugs of corticosteroids |
Jun. 26, 1984 |
| 4447424 |
Steroid derivatives |
May. 8, 1984 |
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