16.alpha.-methyl-17.alpha. 20-epoxysteroid and process
US4891426A · kind A · utility
16Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1988 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Dec 15, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J71/0015
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
C.sub.16 -unsaturated corticoids are readily transformed to the corresponding 16.alpha.-methyl-17.alpha.-hydroxy corticoids by use of a .DELTA.17(20)-20-silyl ether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.