N-(Silylmethyl)-Substituted Ketene N,S-Acetals as a Synthetic Equivalent of Novel 1,3-Dipolar Reagent, Alkylideneazomethine Ylids: Synthesis and Cycloadditions

Article abstract of DOI:10.1021/jo00306a004

A variety of N-(silylmethyl)-substituted ketene N,S-acetals, readily prepared by the reaction of ketene dithioacetals with ((trimethylsilyl)methyl)amine, followed by N-alkylation, react smoothly with activated alkenes, carbonyl compounds, and thioketones,