Patent · US Expired

Process for the production of progesterone derivatives

US5132440A · kind A · utility

0Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 1991
Grant dateJul 21, 1992
Priority date
Expiry dateJul 15, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J41/0094
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the production of progresterone derivatives of general formula I ##STR1## in which symbolizes a single bond or a double bond, PA1 X represents a hydrogen atom, a fluorine atom or a methyl group and PA1 V means a methylene group, an ethylene group, an ethylidene group or a vinylidene group, is described.

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