Process for the preparation of hydrocortisone
US5556962A · kind A · utility
4Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1995 |
| Grant date | Sep 17, 1996 |
| Priority date | — |
| Expiry date | Oct 2, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of the formula ##STR1## wherein K is a protective group of the oxo of the formula ##STR2## wherein n is 2 or 3 and L is a 11.beta.-hydroxy, the dotted line in the 11-position is not a bond and X is chlorine, bromine or iodine which avoids an 11-hydroxylation step in the preparation of hydrocortisone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.