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Class Information
Number: 552/566
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 > Oxygen bonded directly at the 21-position (e.g., triamcinolone, etc.)
Description: Compounds in which oxygen is bonded directly to the carbon at the 21-position of the acyclic carbon chain that is bonded directly at the 17-position of the cyclopentanohydrophenanthrene ring system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7390796 |
Fatty acid modified forms of glucocorticoids |
Jun. 24, 2008 |
| 7018995 |
Carbonate and carbamate modified forms of glucocorticoids |
Mar. 28, 2006 |
| 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 |
| 6043603 |
Low-pressure discharge lamp having an angularly oriented support member bearing a mercury-containing coating and a getter coating |
Mar. 28, 2000 |
| 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 |
| 5502183 |
Steroid intermediates and processes for their preparation |
Mar. 26, 1996 |
| 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 |
| 5451690 |
Lambda-1,4-pregnadiene-3,20-diones |
Sep. 19, 1995 |
| 5434258 |
.delta..sup.1,4 -pregnadiene-3,20-diones |
Jul. 18, 1995 |
| 5352808 |
Process for steroid preparation |
Oct. 4, 1994 |
| 5082835 |
Novel steroid diols, pharmaceutical compositions containing them and process for preparing same |
Jan. 21, 1992 |
| 4948533 |
11a-hydroxy steroid diester |
Aug. 14, 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 |
| 4762919 |
Anti-inflammatory carboxy pregnane derivatives |
Aug. 9, 1988 |
| 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 |
| 4588718 |
Carboxy containing ester prodrugs of corticosteroids |
May. 13, 1986 |
| 4588530 |
Anti-inflammatory prednisolone steroids |
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 |
| 4434080 |
Dehydrogenation agents based on derivatives of selenium and their use in the dehydrogenation in the 1,4 positions of steroids |
Feb. 28, 1984 |
| 4423208 |
Affinity gel-adsorbent |
Dec. 27, 1983 |
| 4381307 |
Soft tertiary amine esters of bio-affecting carboxylic acids |
Apr. 26, 1983 |
| 4311646 |
Process for the preparation of 4,6-dien-3-one steroids |
Jan. 19, 1982 |
| 4304727 |
9.alpha.-Debromination |
Dec. 8, 1981 |
| 4257969 |
16,17-Dihydroxypregnene-21-carboxylic acids and derivatives |
Mar. 24, 1981 |
| 4235887 |
Process for therapeutic treatment |
Nov. 25, 1980 |
| 4230621 |
Steroid derivatives and their use in radioimmunoassays |
Oct. 28, 1980 |
| 4224320 |
Novel steroids of the pregnane series, substituted in the 17-position, their manufacture and their use |
Sep. 23, 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 |
| RE29799 |
Triamcinolone acetonide derivative |
Oct. 10, 1978 |
| 4086254 |
Photocleavable steroids |
Apr. 25, 1978 |
| 4036864 |
Chemical process |
Jul. 19, 1977 |
| 4036831 |
Trimethyl siloxane steroid intermediates |
Jul. 19, 1977 |
| 4011317 |
Steroid derivatives |
Mar. 8, 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 |
| 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 |
| 3971773 |
Steroidal 9,11-dihalo-[16.alpha.,17-b]1,4-dioxanes |
Jul. 27, 1976 |
| 3971772 |
Steroidal[16.alpha.,17-b]1,4-dioxanes and Steroidal[16.alpha.,17-b]1,4-dioxins |
Jul. 27, 1976 |
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