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Beilstein J Org Chem. 2016 May 24;12:1072-8. doi: 10.3762/bjoc.12.101. eCollection 2016.

Iodine-mediated synthesis of 3-acylbenzothiadiazine 1,1-dioxides.

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Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, PR China.


An iodine-mediated synthesis of 3-acylbenzothiadizine 1,1-dioxides is described. A range of electronically diverse acetophenones reacted well with several 2-aminobenzenesulfonamides, affording 3-acylbenzothiadiazine 1,1-dioxides in good yields.


3-acylbenzothiadiazine 1,1-dioxides; cyclization; metal-free; oxidation

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