Abstract: The reactions of N, N, N', N'-tetramethylpropene-l, 3-diamine (la), N, N, N', N'- tetramethyl-1-butene-l, 3-diamine (lb), and 1, 3-bis (dimethylamino)-3-phenyl-l-propene (IC) with sulfene and phenylsulfene, generated in situ by the action of triethylamine on the appropriate sulfonyl chloride, occurred readily at-10 to-15” in tetrahydrofuran solution to give a wide variety of products. The mechanisms of formation of a large number of these ...