Method of preparing 16.alpha., 17.alpha.-dialkylated steroids
US6040468A · kind A · utility
2Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1998 |
| Grant date | Mar 21, 2000 |
| Priority date | — |
| Expiry date | Nov 5, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J71/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
16.alpha., 17.alpha.-dialkylated steroids are prepared by reacting a 16.alpha.-alkyl-17(20)-enyl-20-silyl ether with an alkylating agent and an enol silyl ether cleaving agent in a suitable solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.