Chemistry Letters, Vol.29, No.11, 1248-1249, 2000
Preparation of a new class of inner salts by formal addition of tosyl nitrene to the sulfur atom of inner salts, alpha-carbeniodithiocarboxylates
2,2-Bis(diethylamino)-2-ethylium-1-dithiocarboxylate (1a) was S-iminated by [N-(p-tolylsulfonyl)imino]phenyliodinane to provide a novel inner salt (4a) that formally possesses a thione-S-imide structure (>C=S=NR) as one of the canonical structures.