Patent ID: 6593499
Filing Date: 2003-07-15
Classification: C07C

Abstract:
A process for the preparation of a phenyl ketone of formula-I wherein R represents COCH3, COC2H5, or COC6H5 which comprises acylating a biphenyl with an acylating agent wherein the molar ratio of biphenyl to acylating agent is 1:1, the acylating agent is selected from the group consisting of acetyl chloride, proopionyl chloride, benzoyl chloride and mixtures thereof, in nitrobenzene in the presence of a solid crystalline microporous catalyst composite material wherein the catalyst is selected from the group consisting of H-beta, H-Y, H-Mordenite, and mixtures thereof at a temperature in the range 50-2000Â° C. for a period of up to 9 hours and separating using gas-chromatography to obtain the phenyl ketone of Formula I.