A series of C 3 ‐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. magnified image
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