Patent · US Expired

Optically active chroman and thiochroman derivatives

US6610733B2 · kind B2 · utility

23Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2002
Grant dateAug 26, 2003
Priority date
Expiry dateJun 13, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/58
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention includes a compound having the following general formula (1): in whichx represents an oxygen atom or a sulfur atom,m represents an integer of 2 to 14, andn represents an integer of 2 to 7,or hydrates or pharmaceutically acceptable salts thereof. The compound of general formula (1) is advantageous in pharmaceutical use because of its far superior anti-estrogenic activity over the corresponding racemic mixture.

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