Process and intermediates for preparing 1.alpha.-hydroxyvitamin D compounds
US4755329A · kind A · utility
12Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1985 |
| Grant date | Jul 5, 1988 |
| Priority date | — |
| Expiry date | Jun 10, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to ring A-diol units suitable for synthesizing 1.alpha.-hydroxyvitamin D compounds by subsequent condensation with appropriate .sup.C /.sub.D -ring fragments and to methods for preparing such ring A-diol units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.