Reduction of .BETA.-keto sulfoxides having an alkyl group and a chlorine atom on the .ALPHA.-carbon. A synthesis of (E)-.ALPHA.,.BETA.-epoxy sulfoxides.

Abstract
Oxidation of the chlorohydrins derived from 1-chloroalkyl phenyl sulfoxides and aldehydes gave the β-keto sulfoxides having an alkyl group and a chlorine atom on the α-carbon. The β-keto sulfoxides were reduced with diisobutylaluminum hydride to afford the syn-chlorohydrins as sole products, which were converted to the (E)-α, β-epoxy sulfoxides.

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