Patent · US Expired

17α-ALKYL-17β-OXY-ESTRATRIENES AND INTERMEDIATE PRODUCTS FOR THEIR PRODUCTION, USE OF THE 17α-ALKYL-17β-OXY-ESTRATRIENES FOR THE PRODUCTION OF PHARMACEUTICAL AGENTS AS WELL AS PHARMACEUTICAL PREPARATIONS

US7018994B2 · kind B2 · utility

1Cited by
1References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2002
Grant dateMar 28, 2006
Priority date
Expiry dateNov 27, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J41/0072
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to 17α-alkyl-17β-oxy-estra-1,3,5(10)-trienes that have an antiestrogenic action with general formula I. In addition, the invention also relates to 17-oxo-estra-1,3,5(10)-trienes as well as 17β-hydroxy-estra-1,3,5(10)-trienes as intermediate products in the production of the estratrienes according to the invention. The invention also relates to the use of 17α-alkyl-17β-oxy-estratrienes for the production of pharmaceutical agents as well as pharmaceutical preparations that contain at least one 17α-alkyl-17β-oxy-estratriene as well as at least one pharmaceutically compatible vehicle.

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