D-homo steroids
US4033995A · kind A · utility
1Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1975 |
| Grant date | Jul 5, 1977 |
| Priority date | — |
| Expiry date | Sep 2, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/911
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
D-Homo-21-carboxylic acids of the formula ##STR1## the represents a single bond or a double bond; X is a hydrogen atom, a fluorine atom, or methylene; PA1 Y is a hydrogen atom, a fluorine atom, or a chlorine atom; PA1 Z is methylene, carbonyl, .beta.-hydroxymethylene, a .beta.-alkanoyloxymethylene or when Y is a chlorine atom, also .beta.-fluoromethylene or .beta.-chloromethylene; PA1 R.sub.1 is a hydrogen atom or methyl; and PA1 R.sub.2 is a hydrogen atom, hydroxy or alkanoyloxy; and their physiologically acceptable salts with bases and the 21-esters thereof, possess topical anti-inflammatory activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.