Process for the preparation of acylbenzenes

Details Process for the preparation of acylbenzenes Process for the preparation of acylbenzenes

C - Chemistry, Metallurgy

07

C

C07C 45/45 (2006.01) C07C 45/46 (2006.01) C07C 49/78 (2006.01) C07C 49/786 (2006.01)

Patent

CA 2049908

Process for the Preparation of Acylbenzenes ABSTRACT Acylbenzenes of the formula Image can be prepared by reaction of benzene with carboxylic acids of the formula HOOC-R1 (II) where R1 has the meaning given in the text, using a molar ratio of benzene:carboxylic acid = 1-50:1 at a temperature of 200-400°C, a zeolite of the Pentasil type having an SiO2/M2O2 ratio of 15-500:1 being used as acid catalyst; in the latter formula, M2 is one element or more from the group comprising Al, B, Ga, In, Fe, Cr, V, As and Sb. Le A 27 883-US

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