... Chem. Res. 1978,11, 413. (29) Bowman, WR; Rakshit, D.; Valmas, MD J. Chem. Soc., Perkin Trans. 1 1984, 2327. (30) Galli, R. Presented at the 11th International Symposium on the Organic Chemistry of Sulfur, Lindau, FRG, September 1984; paper B1.25.P. ...