| 摘要 |
Process for the Preparation of Acylbenzenes Acylbenzenes of the formula 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.degree.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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