2,1-Benzisothiazoles. XI. The rearrangement of 2,1-Benzisothiazol-3-yl esters. Autocatalysis of a sulfur extrusion by low-molecular-weight sulfur

Abstract

The extrusion of sulfur from acyl derivatives of 2,1-benzisothiazol-3(1H)-one (1) is autocatalytic. The catalyst is low-molecular-weight sulfur. Addition of cyclohexasulfur (5) to solutions of theseacyl derivatives increases the rate of such reactions.