Process for preparation of 9,11-epoxy steroids and intermediates useful therein
US6586591B2 · kind B2 · utility
0Cited by
13References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 31, 2001 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | Aug 31, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q1/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the formation of compounds of Formula VI: comprising hydrolyzing a compound corresponding to Formula VII: wherein —A—A—, —B—B—, R3, R8 and R9 are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.