Patent · US Active

Methods for the preparation of drospirenone

US8334375B2 · kind B2 · utility

0Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 2010
Grant dateDec 18, 2012
Priority date—
Expiry dateJan 18, 2031

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J53/008
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Described herein are methods of making drospirenone. Also described are intermediate compounds that may be used to synthesis drospirenone.

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