Patent · US Expired

Debromination

US4325881A · kind A · utility

1Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1981
Grant dateApr 20, 1982
Priority date
Expiry dateMay 15, 2001

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.