Abstract
AbstractAn efficient free radical cascade difunctionalization of o‐vinylanilides with ketones/esters has been developed. Through the selective activation of the α‐C(sp3)−H of ketones and esters, an addition/cyclization of carbon centered radical to o‐vinylanilides has been achieved. Various benzoxazines can be conveniently synthesized in this reaction system. In addition, we carried out a series of mechanistic studies and optical experiments.
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