Patent · US Expired

Manufacture of aryl esters

US4465633A · kind A · utility

5Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1982
Grant dateAug 14, 1984
Priority date
Expiry dateNov 15, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C67/055
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process is described for the manufacture of aryl esters such as phenyl esters by liquid phase reaction of an aromatic compound such as benzene with molecular oxygen in the presence of a carboxylic acid preferably having 6 or more carbon atoms over a catalyst composed essentially of a compound of palladium, a compound of antimony and a compound of at least one member selected from the group consisting of chromium, cobalt, nickel, manganese, iron, and tin wherein the aromatic compound is added continuously to the reaction and water formed in the reaction is rapidly and continuously removed from the reaction zone.

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