Methyl vinyl sulfone undergoes a Michael type condensation with a variety of compounds containing active methylene groups. Diethyl malonate, ethyl acetoacetate, ethyl cyanoacetate, benzyl cyanide, acetylacetone and bis-(methanesulfony1)-methane are disulfonethylated. Diethyl phenylmalonate, phenylacetone, phenacyl p-tolyl sulfone, bis- (benzenesulfony1)-methane and bromoform give monosulfonethylated products, while ...
