Patent · US Expired

Preparation process of cinnamate ester

US4656306A · kind A · utility

2Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1985
Grant dateApr 7, 1987
Priority date
Expiry dateDec 2, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C69/618
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed herein is a process for preparing a corresponding cinnamate ester by the reaction of a styrene compound, carbon monoxide, an alcohol and oxygen by using a main catalyst composed of (a) a platinum group metal or a compound thereof and (b) a copper or iron compound and in the presence of a promoter, wherein the concentration of the metal of the component (a) is controlled at 5.5.times.10.sup.-4 gram atom/liter or below in the liquid reaction mixture and further the ratio of the component (b) to the metal of the component (a) is maintained at 50 moles/gram atom or above so as to carry out the reaction.

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