Synthesis and [3+2]cycloadditions of N-(trimethylsilylmethyl)isothioureas: A synthetic equivalent of novel 1,3-dipolar reagent, iminoazomethine ylid

Article abstract of DOI:10.1016/S0040-4039(00)79445-7

N-(Trimethylsilylmethyl)isothioureas, readily prepared by the reaction of N-bis(methylthio)methylenecyanamide or -p-toluenesulfonamide with (trimethylsilylmethyl)amine, followed by N-alkylation, have been found to be a synthetic equivalent of iminoazometh