Silver-Catalyzed Tandem Ammonolysis-Cyclization of 2-Alkynylbenzenamines with Tetraalkylthiuram Disulfides to 4-Methylene-4H-benzo[d][1,3]thiazin-2-amines

[摘要]：In the presence of AgBF4, the ammonolysis-cyclization tandem reactions of various 2-alkynylbenzenamines with tetraalkylthiuram disulfides afforded the corresponding 4-methylene-4H-benzo[d][1,3]thiazin-2-amines in moderate to good yields.

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