Patent · US Expired

Process for the preparation of propionic acid derivatives

US5081277A · kind A · utility

3Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 1989
Grant dateJan 14, 1992
Priority date
Expiry dateOct 3, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C323/56
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for the preparation of compounds of the general formula (I) ##STR1## wherein R is hydrogen or (C.sub.1-4)alkyl.

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