General synthesis of 1,4,2-benzodithiazines by thermolysis of 1,3-benzodithiol-2-yl azides

Abstract
Thermal decomposition of a variety of 1,3-benzodithiol-2-yl azides (2), easily obtainable from 1,3-benzodithiolylium salts and sodium azide, gives 1,4,2-benzodithiazines (3) in good yields, thus providing a general synthetic route to these compounds.

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