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.
摘要 3-
氯亚磺酰基链烷酰
氯在
乙酸钠或
乙酸汞的作用下环化成相应的五元混合酸酐(1,2-oxathiolan-5-one 2-oxides)。2-
氯亚磺酰基
苯甲酰氯以高产率得到 3H-2,1-benzoxathiol-3-one 1-oxide。