Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein
US6331622A · kind A · utility
1Cited by
11References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1999 |
| Grant date | Dec 18, 2001 |
| Priority date | — |
| Expiry date | Feb 8, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Q1/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the formation of an epoxy compound comprising contacting a substrate compound having an olefinic double bond with a peroxide compound in the presence of a peroxide activator, said peroxide activator corresponding to the formula: ##STR1## where R.sup.o is a substituent having an electron withdrawing strength not less than that of monochloromethyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.