Abstract
An efficient ultrasound assisted method has been developed for the chemoselective synthesis of dihydrochalcones from chalcones using Zn/HOAc as a reductive system. Under the reaction conditions, isolated double bonds, benzyloxy groups and aromatic halides are found to remain unaffected.
Keywords: Chemoselective reduction, dihydrochalcones, chalcones, ultrasound, Zn/HOAc