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N-Aryl-S,S-dimethylsulfimides 3 (Ar = 4-NO 2 C 6 H 4 ), 4 (Ar = Ph) and 5 (Ar = 4-Tol) react with Appel salt 1 to give the corresponding N-aryl-(4-chloro-5H-1,2,3dithiazolylidene)benzenamines 8 (Ar = 4-NO 2 C 6 H 4 ), 9 (Ar = Ph) and 10 (Ar = 4-Tol) in 84, 94 and 87% yields, respectively. The reaction proceeds in the absence of base and a proposed reaction mechanism is given.doi:10.3390/molecules14072356 pmid:19633609 fatcat:65bnk2zjqjfjtddu2ivcmgmdnu