Patent · US Expired

Epimerization process

US4206124A · kind A · utility

3Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1979
Grant dateJun 3, 1980
Priority date
Expiry dateMar 7, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D307/93
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A novel process for the preparation of (1R,5S) 6,6-dimethyl-4(R)-[(S)-cyano-(3'-phenoxy-phenyl)-methoxy]-3-oxabicyclo-(3- 1-0)-hexan-2-one which is an intermediate for the preparation of (S).alpha.-cyano-3-phenoxy-benzyl alcohol.

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