Disclosed is a process for the preparation of aryl carboxylate esters by the reaction of a phenol reactant with a carboxylic acid in the presence of trifluoroacetic acid (TFA) and trifluoroacetic anhydride (TFAA).

É divulgado um processo para a preparação de esters aryl do carboxylate pela reação de um reactant do phenol com um ácido carboxylic na presença do ácido trifluoroacetic (TFA) e do anhydride trifluoroacetic (TFAA).