Patent · US Expired

Resolution of α-(phenoxy)phenylacetic acid derivatives

US7199259B2 · kind B2 · utility

10Cited by
57References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 4, 2003
Grant dateApr 3, 2007
Priority date
Expiry dateApr 17, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/487
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a method for producing an enantiomerically enriched α-(phenoxy)phenylacetic acid compound of the formula (I):from its enantiomeric mixture, where R1 is alkyl or haloalkyl R7 is heteroalkyl and X is halide.

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