Patent · US Expired

Process for preparing phenyl pyruvic acids

US4351952A · kind A · utility

6Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 1980
Grant dateSep 28, 1982
Priority date
Expiry dateJul 1, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phenyl pyruvic acid and substituted derivatives thereof are synthesized by catalytic carbonylation of a benzyl halide in the presence of a catalytic system based on carbonyl complexes of cobalt or precursors thereof.

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