Method for preparing 1-hydroxyvitamin D compounds
US4555364A · kind A · utility
56Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1984 |
| Grant date | Nov 26, 1985 |
| Priority date | — |
| Expiry date | Nov 1, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C401/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for preparing 1-hydroxyvitamin D compounds by acid-catalyzed solvolysis of the corresponding 1-hydroxy-3,5-cyclovitamin D compound in an organic solvent medium whereby the free, non-acylated, 5,6-cis and 5,6-trans-1-hydroxylated vitamin D compounds are obtained in admixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.