A stereoselective route to (±)-oxo-parabenzlactone has been developed by the combination of thiyl radical addition-cyclization of dienylhydroximate and subsequent conversion of the resulting cyclic hydroximate to lactone.
通过二烯基羟基
甲酸的
硫基自由基加成环化,以及随后将生成的环状羟基
甲酸转化为内酯,已开发出一种立体选择性路线,用于合成 (±)-氧代-
对苯二甲酸内酯。