Pd(II)-catalyzed bromo- and chlorodecarboxylation of electron-rich arenecarboxylic acids

A bromo- and chlorodecarboxylation of various aromatic carboxylic acids catalyzed by Pd(II) has been developed in this work. A series of electron-rich arenecarboxylic acids gave the corresponding decarboxylative monohalogenation products under the typical reaction conditions.