Advanced Synthesis and Catalysis
Advanced Synthesis and Catalysis
5 years ago

Formation of Phenyliodonio-Substituted Spirofurooxindole Trifluoroacetates from N-Substituted 3-Oxopentanediamides via Phenyliodine Bis(trifluoroacetate)-Mediated Oxidative Cascade Reactions

Formation of Phenyliodonio-Substituted Spirofurooxindole Trifluoroacetates from N-Substituted 3-Oxopentanediamides via Phenyliodine Bis(trifluoroacetate)-Mediated Oxidative Cascade Reactions
Bobo Zhang, Yunfei Du, Yang Cao, Daisy Zhang-Negrerie, Bei Hu
The reaction of N-substituted 3-oxopentanediamides with phenyliodine bis(trifluoroacetate) (PIFA) was found to give a novel class of phenyliodonio-substituted spirofurooxindole trifluoroacetates under metal-free conditions. The reaction is postulated to proceed via a cascade process involving an oxidative C—O bond formation, an oxidative C—C bond formation and a final iodination step.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/adsc.201700075

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