17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one
US4921638A · kind A · utility
3Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1988 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Oct 3, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J71/0015
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is the compound 17.beta.-cyano-9.alpha., 17.alpha.-dihydroxyandrost-4-en-3-one (I) which is particularly useful as an intermediate in the production of the 17.alpha.-halo silyl ethers (II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.