Patent · US Expired

Preparation of corticoids from 17-keto steroids

US4357279A · kind A · utility

3Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 1981
Grant dateNov 2, 1982
Priority date—
Expiry dateMay 18, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J31/006
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of corticoids (XI) which comprises reacting a protected 17-keto steroid (II) with a metallated 1,2-dihaloethene (III).

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