Chemistry Letters, Vol.39, No.6, 648-649, 2010
Reaction of Thiochamphor with Disulfur Dichloride: Novel Formation of alpha-Disulfine
Reaction of thiocamphor with disulfur dichloride afforded six- and seven-membered tricyclic polysulfanes, which were oxidized by m-CPBA to afford bicyclic (E,E)-alpha-disulfine stereoselectively. Reaction of alpha-disulfine with the Lawesson reagent afforded tetrasulfane in 70% yield.