Pharmaceutical compositions of 6.alpha.,9.alpha.-difluoro-androst-4-ene-17.beta.-carboxylates and derivatives thereof
US4093721A · kind A · utility
41Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1977 |
| Grant date | Jun 6, 1978 |
| Priority date | — |
| Expiry date | Jan 6, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J3/005
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The specification describes anti-inflammatory steroids having the following formula ##STR1## wherein X represents a hydrogen or fluorine atom, R' represents a methyl, ethyl, n-propyl or iso-propyl group, R" represents a methyl, chloromethyl, fluoromethyl, bromomethyl or 2-fluoroethyl group and represents a single or double bond. The specification describes processes for preparing such compounds as well as pharmaceutical compositions containing the compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.