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Communication | Regular issue | Vol 55, No. 7, 2001, pp.1231-1235
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9214
An Interrupted Pummerer Reaction Induced by Hypervalent Iodine(III) Reagent: Facile Synthesis of 2-Aryl-1,2-benzisothiazol-3(2H)-ones

Huey-Min Wang, Hsin-Yu Huang, Iou-Jiun Kang, and Ling-Ching Chen*

*Graduate Institute of Pharmaceutical Sciences , Kaohsiung Medical University, 100 Shih Chen 1st Rd., Kaohsiung 80708, Taiwan, R.O.C.


Treatment of N-aryl-2-(benzylthio)benzamides with phenyliodine(III) bis(trifluoroacetate) containing trifluoroacetic acid resulted in an interrupted Pummerer-type reaction to give 2-aryl-1,2-benzisothiazol-3(2H)-ones rather than the normal Pummerer-type products.