Corticosteroids from 17-keto steroids via 20-cyano-.DELTA..sup.17 (.sup.20)-pregnanes
US4600538A · kind A · utility
3Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 2, 1984 |
| Grant date | Jul 15, 1986 |
| Priority date | — |
| Expiry date | Aug 2, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J5/0053
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The process of the present invention transforms 17-keto steroids (I) to the corresponding corticoids (IV) in three steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.