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Class Information
Number: 552/573
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 3-, 11-, and 17-positions > Oxygen bonded directly at the 21-position > Carbon or halogen bonded directly at the 6- or 7-position > Carbon bonded directly at the 16-position
Description: Compounds wherein carbon is bonded directly at the 16-position of the cyclopentanohydrophenanthrene ring system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7098328 |
Method for the preparation of 6.alpha.-fluoro corticosteroids |
Aug. 29, 2006 |
| 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 |
| 5616573 |
Glucocorticoids |
Apr. 1, 1997 |
| 5362721 |
Corticoid-17-alkyl-carbonates substituted in the 17-position, process for their preparation and pharmaceuticals containing them |
Nov. 8, 1994 |
| 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 |
| 4898693 |
Process for production of 6.alpha.,9.alpha.-difluoro-11.beta.,17.alpha.-dihydroxy-16.alpha.-methyl -4-pregnene-3,20-dione and its derivatives |
Feb. 6, 1990 |
| 4762919 |
Anti-inflammatory carboxy pregnane derivatives |
Aug. 9, 1988 |
| 4701451 |
Novel 6,16-dimethylcorticoids their preparation and use |
Oct. 20, 1987 |
| 4693999 |
Liposomes containing steroid esters |
Sep. 15, 1987 |
| 4619922 |
6.alpha., 16.alpha.-dimethyl corticoids |
Oct. 28, 1986 |
| 4619921 |
Polyhalogeno-steroids |
Oct. 28, 1986 |
| 4613463 |
Process and intermediates for the preparation of 17 alphahydroxyprogesterones and corticoids from an enol steroid |
Sep. 23, 1986 |
| 4602009 |
Corticoid derivatives and process for production thereof |
Jul. 22, 1986 |
| 4600538 |
Corticosteroids from 17-keto steroids via 20-cyano-.DELTA..sup.17 (.sup.20)-pregnanes |
Jul. 15, 1986 |
| 4588718 |
Carboxy containing ester prodrugs of corticosteroids |
May. 13, 1986 |
| 4588530 |
Anti-inflammatory prednisolone steroids |
May. 13, 1986 |
| 4576936 |
6.alpha.-Fluoro-9.alpha.-chloro-prednisolone 17,21-diesters |
Mar. 18, 1986 |
| 4555507 |
Novel 6, 16-dimethylcorticoids, their preparation and use |
Nov. 26, 1985 |
| 4530795 |
Process for preparation of 16 .alpha.-methyl corticoids from .DELTA..sup.16 -steroids |
Jul. 23, 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 |
| 4444689 |
17.alpha.-Acyloxy-5.beta.-corticoids and 17.alpha.-acyloxy-5.alpha.-corticoids |
Apr. 24, 1984 |
| 4443440 |
Amine containing ester prodrugs of corticosteroids |
Apr. 17, 1984 |
| 4440690 |
Process for the synthesis of 6-bromo-17,21-dihydroxy 3,11,20-trioxo-1,4-pregnadienes 17,21-diesters |
Apr. 3, 1984 |
| 4411835 |
Preparation of corticoids from 17-keto steroids |
Oct. 25, 1983 |
| 4381307 |
Soft tertiary amine esters of bio-affecting carboxylic acids |
Apr. 26, 1983 |
| 4358445 |
6.alpha.-Fluoro-prednisdone 17,21 diesters |
Nov. 9, 1982 |
| 4357279 |
Preparation of corticoids from 17-keto steroids |
Nov. 2, 1982 |
| 4342702 |
Metallated halogenated acetylene corticoid synthesis |
Aug. 3, 1982 |
| 4340538 |
Process for producing 6.alpha.-fluoro-.DELTA..sup.1,4 -3-keto steroids |
Jul. 20, 1982 |
| 4336200 |
17.alpha.-Acyloxy-5.beta.-corticoids |
Jun. 22, 1982 |
| 4325881 |
Debromination |
Apr. 20, 1982 |
| 4318853 |
9.beta.,11.beta.-Epoxy-5.beta.-corticoids |
Mar. 9, 1982 |
| 4311646 |
Process for the preparation of 4,6-dien-3-one steroids |
Jan. 19, 1982 |
| 4304727 |
9.alpha.-Debromination |
Dec. 8, 1981 |
| 4296109 |
Corticoid 21-sulfopropionates and the salts thereof, a process for the production thereof and pharmaceutical preparations thereof |
Oct. 20, 1981 |
| 4278669 |
3-Oxo-4-halo-16.beta.-methylandrost-4-ene 17.beta.-carboxylic acids and esters |
Jul. 14, 1981 |
| 4273770 |
4-Halo steroids |
Jun. 16, 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 |
| 4261986 |
4-Halo etianic acids and derivatives thereof |
Apr. 14, 1981 |
| 4242334 |
Corticoid 17-(alkyl carbonates) and processes for their preparation |
Dec. 30, 1980 |
| 4235887 |
Process for therapeutic treatment |
Nov. 25, 1980 |
| 4216159 |
Synthesis of 16-unsaturated pregnanes from 17-keto steroids |
Aug. 5, 1980 |
| 4207316 |
Novel 17-substituted 11 .beta.-hydroxy steroids of the pregnane series, their manufacture, preparation and use |
Jun. 10, 1980 |
| 4198336 |
Chemical process for preparing androsta-4-ene 17.alpha.-carboxylic acids |
Apr. 15, 1980 |
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