1. J. E. Gordon, in Techniques and Methods of Organic and Organometallic Chemistry, Vol. I, D. B. Denney, ed., Marcel Dekker, Inc., New York, 1969, pp. 51–188.
2. R. M. Pagni, in Advances in Molten Salt Chemistry, Vol. 6, G. Mamantov and J. Braunstein, eds., Elsevier, Amsterdam. To be published.
3. M. Fieser and L. Fieser, Reagents for Organic Synthesis, Vol. 1, Wiley-Interscience, New York, 1967, p. 936.
4. C. M. Suter, The Organic Chemistry of Sulfur, Tetravalent Sulfur Compounds, Wiley, New York, 1944, p. 420.
5. R. L. Buzbee, J. Org. Chem., 31, 3289 (1966).