ChemInform Abstract: Synthesis of β-Haloketones by β-Addition Reactions of α,β-Unsaturated Ketones with BX3 (X : Br, Cl) as Halide Source.

Reaction of α,β-unsaturated ketones with a slight excess of an equimolar mixture of BBr3 or BCl3 and ethylene glycol offers a straightforward synthesis of β-haloketones. [ABSTRACT FROM AUTHOR]