abstract |
The present invention is a method for producing a phenyloxocarboxylic acid ester derivative by reacting an aromatic hydrocarbon with a carboxylic acid anhydride derivative in the presence of an acid catalyst and an alkylating agent. According to the method of the present invention, the phenyloxocarboxylic acid ester derivative can be stably supplied on an industrial scale in a short time, at low cost and with high purity. |