Sulfur-containing heterocycles 14. New synthesis of cyclic anhydrides of 3-sulfinocarboxylic acids
作者:T. P. Vasil’eva、G. T. Shchetnikov、S. N. Osipov
DOI:10.1007/s11172-009-0349-z
日期:2009.12
Abstract3-Chlorosulfinylalkanoyl chlorides undergo cyclization into the corresponding five-membered mixed anhydrides (1,2-oxathiolan-5-one 2-oxides) under the action of sodium or mercury acetates. 2-Chlorosulfinylbenzoyl chloride gives 3H-2,1-benzoxathiol-3-one 1-oxide in high yield.