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Class Information
Number: 552/565
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.) > Three or more oxygens bonded directly to the cyclopentanohydrophenanthrene ring system > Oxygen bonded directly at the 16-position > Carbon or halogen bonded directly at the 6- or 7-position
Description: Compounds wherein carbon or halogen is bonded directly at the 6- or 7-position of the cyclopentanohydrophenanthrene ring system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7122533 |
Cosalane compounds and methods for their use |
Oct. 17, 2006 |
| 7018995 |
Carbonate and carbamate modified forms of glucocorticoids |
Mar. 28, 2006 |
| 6369218 |
Isomerisation of 6.beta.-fluorosteroids into the corresponding 6.alpha.-fluoro derivatives |
Apr. 9, 2002 |
| RE37116 |
Nitrosated and nitrosylated compounds, and compositions and their use for treating respiratory disorders |
Mar. 27, 2001 |
| 6197762 |
Nitrosated and nitrosylated steroids compositions, and methods for treating respiratory disorders |
Mar. 6, 2001 |
| 5824669 |
Nitrosated and nitrosylated compounds and compositions and their use for treating respiratory disorders |
Oct. 20, 1998 |
| 5710293 |
Method of preparation of ester derivatives of steroids |
Jan. 20, 1998 |
| 5670676 |
Process for preparation of 9.alpha. -chloro-11.beta. formyloxypregna-3.20-diones |
Sep. 23, 1997 |
| 5616573 |
Glucocorticoids |
Apr. 1, 1997 |
| 5602248 |
Process for preparation of 9.alpha.-chloro-11.beta.-formyloxypregna-3,20-diones |
Feb. 11, 1997 |
| 5482934 |
Pregna-1,4-diene3,20-dione-16-17-acetal-21 esters, process for their preparation, composition, and methods for the treatment of inflammatory conditions |
Jan. 9, 1996 |
| 5352808 |
Process for steroid preparation |
Oct. 4, 1994 |
| 4913852 |
Compounds obtained from the associative synthesis of sulfur-containing or sulfur-free amino acids with pregnane derivatives |
Apr. 3, 1990 |
| 4762919 |
Anti-inflammatory carboxy pregnane derivatives |
Aug. 9, 1988 |
| 4613463 |
Process and intermediates for the preparation of 17 alphahydroxyprogesterones and corticoids from an enol steroid |
Sep. 23, 1986 |
| 4588530 |
Anti-inflammatory prednisolone steroids |
May. 13, 1986 |
| 4588718 |
Carboxy containing ester prodrugs of corticosteroids |
May. 13, 1986 |
| 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 |
| 4443440 |
Amine containing ester prodrugs of corticosteroids |
Apr. 17, 1984 |
| 4442035 |
Acyclic amine epoxide process |
Apr. 10, 1984 |
| 4423208 |
Affinity gel-adsorbent |
Dec. 27, 1983 |
| 4390533 |
Steroids and process for preparing the same |
Jun. 28, 1983 |
| 4381307 |
Soft tertiary amine esters of bio-affecting carboxylic acids |
Apr. 26, 1983 |
| 4325881 |
Debromination |
Apr. 20, 1982 |
| 4311646 |
Process for the preparation of 4,6-dien-3-one steroids |
Jan. 19, 1982 |
| 4304727 |
9.alpha.-Debromination |
Dec. 8, 1981 |
| 4275061 |
Steroids and process for preparing the same |
Jun. 23, 1981 |
| 4272446 |
Steroids and process for preparing the same |
Jun. 9, 1981 |
| 4267173 |
Use of 6.beta.-fluoro-7.alpha.-halogenocorticoids as topical anti-inflammatories and pharmaceutical formulations useful therefor |
May. 12, 1981 |
| 4261984 |
17.beta.-thiocarboxylic acid esters of 3-oxo-4-halo-16.beta.-methylandrost-4-enes |
Apr. 14, 1981 |
| 4257969 |
16,17-Dihydroxypregnene-21-carboxylic acids and derivatives |
Mar. 24, 1981 |
| 4235887 |
Process for therapeutic treatment |
Nov. 25, 1980 |
| 4226862 |
Steroids and process for preparing the same |
Oct. 7, 1980 |
| 4224320 |
Novel steroids of the pregnane series, substituted in the 17-position, their manufacture and their use |
Sep. 23, 1980 |
| 4189440 |
2-Bromo-6.beta.-fluoro-3-keto-.DELTA..sup.1,4 -steroids of the pregnane series |
Feb. 19, 1980 |
| 4180504 |
Method for the preparation of esters |
Dec. 25, 1979 |
| 4172075 |
Fluoro-steroids and processes for their manufacture |
Oct. 23, 1979 |
| 4154748 |
Phosphate catalyzed acylation of steroidal tertiary alcohols |
May. 15, 1979 |
| 4150126 |
Novel enol esters of steroids, compositions containing such compounds, processes for their preparation and methods of treatment therewith |
Apr. 17, 1979 |
| 4124707 |
7.alpha.-Halogeno-3,20-dioxo-1,4-pregnadienes, methods for their manufacture, their use as anti-inflammatory agents, and pharmaceutical formulations useful therefor |
Nov. 7, 1978 |
| 4113680 |
Method for preparing 17 .alpha.-ester-21-halo pregnanes |
Sep. 12, 1978 |
| 4086254 |
Photocleavable steroids |
Apr. 25, 1978 |
| 4036831 |
Trimethyl siloxane steroid intermediates |
Jul. 19, 1977 |
| 4036864 |
Chemical process |
Jul. 19, 1977 |
| 4002614 |
Halogenated 19-norsteroids |
Jan. 11, 1977 |
| 3998701 |
Process for the preparation of 17-acyl esters of 17.alpha., 21-dihydroxysteroids of the pregnane series and novel products |
Dec. 21, 1976 |
| 3996358 |
21-Esters of steroidal-21-aldehyde hydrates and 21-aldehyde hemiacetals and methods of preparation |
Dec. 7, 1976 |
| 3984544 |
Retinoic acid esters of steroids of the pregnane series, their use in the treatment of acne and pharmaceutical formulations useful therefor |
Oct. 5, 1976 |
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