A Remarkably Simple One-Step Procedure for the Preparation of α-Bromo-α,β-Unsaturated Carbonyl Compounds

An easy and convenient one-step procedure for the conversion of α,β-unsaturated carbonyl compounds into their corresponding bromo-enones using NBS-Et3N˙3HBr in the presence of potassium carbonate in dichloromethane at 0 ˚C to room temperature under very mild conditions in high yields and significantly shorter times, is reported.