Palladium-Catalyzed Ring-Opening Reaction of Methyleneaziridines with Carboxylic Acids:  Synthesis of α-Amidoketones

In the presence of palladium catalysts, the reaction of methyleneaziridines <b>1 </b>with carboxylic acids <b>2 </b>proceeded smoothly to give the corresponding α-amidoketones <b>3 </b>in good to high yields.