The reactants include N, N-dimethylmethanesulfenamide,[[(NJV-dimethy1amino) methyll thiolmethane, 1-(NJV-dimethylamino)-2-(methylthio) ethane, tetrahydro-1, 3-thiazine, tetrahydro-2-methyl-l, 3-thiazine, and the corresponding N-methyl and N-acetyl derivatives. Electrophiles include methyl iodide, ethyl iodide, 3-chloroand 3-bromopropene, trimethyloxonium fluoroborate, methanesdfenyl chloride, and dimethyl (methy1thio) ...
