Scheme 4. Substrate scope for the one-pot conversion of E-chalcone into the corresponding 4-substituted methyl ketone and 4-bromomethylarene.a aReaction conditions: all reactions were carried out with acetophenone (1a) (1.0 mmol) and 4-bromo methylarene (2b) (1.0 mmol) using the DMF solvent system in the presence of iron salt as the catalyst system. bIsolated yields.
