Patent · US Expired

Estra-1,3,5(10)-triene derivatives

US6953785B2 · kind B2 · utility

4Cited by
0References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 2001
Grant dateOct 11, 2005
Priority date
Expiry dateOct 23, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J41/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I): {wherein R1 and R2 are the same or different and represent a hydrogen atom, a lower alkyl group or, etc.; R3 represents a hydrogen atom etc.; R4 represents a hydrogen atom etc.; R5 represents a hydrogen atom etc.; R6 represents a cyano group, an amino group, COR53 (wherein R53 represents a substituted lower alkyl group etc.), a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, etc}, or pharmaceutically acceptable salts thereof.

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