Cascade Formation of C3‐Unsymmetric Spirooxindoles via PhI(OAc)2‐Mediated Oxidative C−C/C−N Bond Formation

Jiyun Sun,Guangchen Li,Guangtao Zhang,Ying Cong,Xuechan An,Daisy Zhang‐Negrerie,Yunfei Du

Advanced Synthesis and Catalysis（2018）

引用 17|浏览14

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摘要

A series of C3‐unsymmetric spirooxindoles were achieved by reaction of diphenylmalonamides with PhI(OAc)2 (PIDA) under metal‐free conditions. Control experiments suggest that the hypervalent iodine‐mediated reaction undergoes a cascade process involving an oxidative C−C bond formation preceeding an oxidative C−N bond formation.

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关键词

spirooxindole,PhI(OAc)2,metal-free conditions,cascade reaction,oxidative coupling

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