1,1 ',2,2 ',3,3 '-tetrathiadiazafulvalenes; preparation and characterisation of trans-[ClCNS(2)C = CS(2)NCCl]

by Barclay, T. M.; Cordes, A. W.; Oakley, R. T.; Preuss, K. E.; Reed, R. W.

Reduction of 4,5-dichloro-1,2,3-dithiazolylium chloride with two equivalents of triphenylantimony in liquid SO(2) affords the 1,1',2,2',3,3'-tetrathiadiazafulvalene trans[ClCNS(2)C=CS(2)NCCl]; the structural features and redox chemistry of this novel ring system are described.