20.beta.,21-Epoxy-3.alpha.-hydroxy-5.alpha.-pregnanes and derivatives thereof
US3969345A · kind A · utility
3Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1975 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Feb 20, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J43/003
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides 3.alpha.-oxygenated pregnane 21-ethers possessing a hydroxy group in the 3.alpha.-position; a hydrogen atom or a methyl group at the 10-position; a hydrogen atom in the 17.alpha.-position; a keto group in the 20-position; and an etherified hydroxyl group in the 21-position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.