Abstract
2-Benzylidineamino-4-phenyl-1,3-thiazole undergoes [4+2] Diels–Alder cycloaddition reaction with sulfene resulting in good yield of a mixture of isomeric 2,6-diphenyl-2H,4H-[1,3]thiazolo[3,2-c][1,3,5]thiadiazine 3,3-dioxides and 3, 7-diphenyl[1,3]thiazolo[3,2-b] [1,2,4]thiadiazine 5,5-dioxides derivatives are reported.
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