作者:Wangqing Kong、Estíbaliz Merino、Cristina Nevado
DOI:10.1002/anie.201311241
日期:2014.5.12
Two radical‐mediated processes of activated alkenes, namely arylphosphonylation and arylazidation, are described. The difunctionalization of alkenes by a tandem process that involves radical addition, 1,4‐aryl migration, and desulfonylation generates α‐aryl‐β‐heterofunctionalized amides bearing a quaternary stereocenter when the substituent on the nitrogen atom is an aryl group. Alternatively, heterooxindoles
描述了活化烯烃的两个自由基介导的过程,即芳基膦酰化和芳基叠氮化。当氮原子上的取代基为芳基时,通过自由基加成,1,4-芳基迁移和脱磺酰作用的串联双烯烃双官能化反应会生成带有季立体中心的α-芳基-β-杂官能化酰胺。或者,可以在氮原子上存在烷基取代基的情况下,以优异的区域选择性获得杂吲哚或螺二环。