Processes for the production of anti-inflammatory steroids
US5939409A · kind A · utility
2Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1997 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Oct 7, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J71/0031
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are processes for preparing the 22R and 22S epimers of the compound ##STR1## The processes involve acetalization, transacetalization, hydrolysis (of an ester) or hydrogenation (of a diene) of an appropriate starting material. Also disclosed are pharmaceutical compositions comprising the compounds produced by the processes and methods of treatment of inflammatory and allergic conditions employing the compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.