1-Hydroxylation process
US4338250A · kind A · utility
31Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1981 |
| Grant date | Jul 6, 1982 |
| Priority date | — |
| Expiry date | Apr 27, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing biologically active 1.alpha.-hydroxyvitamin D compounds from vitamin D compounds by hydroxylation at carbon 1 and subsequent photochemical isomerization, and novel intermediates and products resulting from this process are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.