Patent · US Expired

Compound and a novel process for their preparation

US6784210B2 · kind B2 · utility

0Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2002
Grant dateAug 31, 2004
Priority date
Expiry dateDec 12, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2602/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention is directed to a procedure for making an enantiomerically enriched compound containing a hydronaphthalene ring structure. The process involves reacting oxabenzonorbornadienes with nucleophiles using rhodium as a catalyst and in the presence of a phosphine ligand. The compounds synthesized may be used in pharmaceutical preparations for the treatment of a variety of diseases and conditions.

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