The unexpected nucleophilic reactivity of free-radicals generated from α-iodoketones is reported; two different procedures, either employing tin or the more environmentally acceptable ethylsulfone-based coupling reagent 5c have been developed.
据报道,从α-
碘代酮生成的自由基具有意料之外的亲核反应活性;开发了两种不同的方法,一种使用
锡,另一种则采用更环保的
乙基砜基偶联试剂5c。