This invention relates to a process for preparing an alpha-arylalkanoic acid or salt thereof which comprises the rearrangement of an alpha-halo-alkylarylketal in neutral or slightly alkaline conditions, in the presence of a dipolar aprotic diluent and of a protic substance having a high dielectric constant, and the subsequent hydrolysis of the thus obtained ester.
本发明涉及一种制备α-芳基烷基酸或其盐的方法,包括在中性或微碱条件下,在具有双极无质子稀释剂和具有高介电常数的质子物质的情况下,重排α-卤代烷基芳基醇,然后
水解所得酯的步骤。