Patent · US Expired

3,17,18-Trihydroxy-1,3,5(10)-estratrienes

US3960841A · kind A · utility

7Cited by

2References

17Claims

0Family size

Assignee

SCHERING CORPORATION · US

Inventors

Klaus-Eberhard Engel · Frankfurt (Oder), DE
Klaus Prezewowsky
Henry Laurent
Yukishige Nishino · Berlin, DE

Key dates

Filing date	Jul 12, 1974
Grant date	Jun 1, 1976
Priority date	—
Expiry date	Jul 12, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07J1/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

3,17,18-Trihydroxy-1,3,5(10)-estratrienes of the formula ##SPC1## Wherein R is H or substituted or unsubstituted saturated or unsaturated hydrocarbon, and esters and ethers thereof, possess strong vaginotropic and only weak utertropic activity and are useful in the treatment of estrogenic deficiency conditions where uteral effects are not desired.

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