Process for the preparation of cholesterol derivatives and novel intermediates therefor
US4568491A · kind A · utility
5Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1984 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Feb 27, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/09
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is concerned with a process for the preparation of 1 hydrogen or hydroxy cholesterol derivatives and intermediates therefor. The compounds of the present invention are useful as intermediates in the preparation of 24,25-dihydroxy and 1.alpha., 24,25-trihydroxycholecalciferol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.