Bis tetrasulfane

A mixture of Sg and phosphorus(V) sulfide may also be used to sulfurize organic compounds certain epidisulfanes are transformed to epitrisulfanes. The reaction of SCI2 with 1,4-diethoxybenzene, catalyzed by A CI, in CS2 or CHCI3, yields a bis-tetrasulfane in which two S4 units bridge the two benzene rings. ... 

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