Chemistry Letters, Vol.36, No.7, 864-865, 2007
Preparation and reaction of phenylsulfonyl-substituted dizinciomethane
Treatment of dibromomethyl phenyl sulfone with zinc powder in the presence of a catalytic amount of lead in THF afforded phenylsulfonyl-substituted dizinciomethane. The species converts a ketone or aldehyde into an alkenyl sulfone via a Wittig-type olefination reaction with the assistance of beta-TiCl3.