Royal Society of Chemistry, Chemical Science, 1(13), p. 149-158, 2022
DOI: 10.1039/d1sc04248c
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A family of 1,2,4-benzothiadiazinyl radicals are accessible from 1,2,4-benzothiadiazine 1-chlorides which can be prepared in a single step by treatment of N-arylamidines in neat thionyl chloride at reflux.