Thiiranes are obtained in excellent yields and with high diastereoselectivity
upon microwave irradiation of a mixture of α-haloketones, O,O-diethyl
hydrogen phosphorodithioate and alumina-supported sodium borohydride
in solvent-free conditions.
α-haloketones - thiiranes - stereoselective
synthesis - microwaves - solvent free - alumina
supported