Synthesis 1983; 1983(10): 851
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A Convenient Synthesis of 2H-1,2,4-Benzothiadiazine 1,1-Dioxides from 2-Aminobenzenesulfonamide and Carboxylic Acids by using Polyphosphoric Acid Trimethylsilyl Ester as Condensing Agent
17 May 2002 (online)