Patent · US Expired

9.alpha.-Debromination

US4304727A · kind A · utility

4Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1980
Grant dateDec 8, 1981
Priority date
Expiry dateDec 5, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J71/0031
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for 9.alpha.-debromination of 9.alpha.-bromo-11.beta.-hydroxy steroids without eliminating the 11.beta.-hydroxyl group utilizing chromous chloride or chromous sulfate and thioglycolic acid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.