Novel S-N Ring Contractions using the 4-Phenyl-1,2,3,5-dithiadiazole Dimer, the Synthesis and X-Ray Crystal Structures of , , and Cl, and an Ab Initio Molecular-orbital Study of the Bonding in <S3

Article abstract of DOI:10.1039/DT9900002793

When the 4-phenyl-1,2,3,5-dithiadiazole dimer (1) dehalogenates Cl a novel ring contraction occurs producing <(PhCN2S2)2Cl>, (2), in acetonitrile, and a mixture of (2) and , (3), in pentane.The salt Cl is also dehalogenate