PIFA/Ar2Te2‐Mediated Synthesis of 3‐Aryltelluroindoles via Intramolecular Cyclization of 2‐Alkynylanilines

Jianing Zhang, Zhenyang Yu,Haofeng Shi,Lingzhi Xu, Yixuan Song,Yunfei Du

European Journal of Organic Chemistry（2024）

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摘要

The reaction of 2‐alkynylanilines with phenyliodonium bis(trifluoroacetate) (PIFA) and diaryl ditellurides was found to conveniently afford the corresponding 3‐aryltelluroindoles via oxidative cyclization/tellurolation. A plausible mechanism involving the in situ formation of the reactive ArTeOCOCF3 from the reaction of PIFA and diaryl ditellurides, and the subsequent oxidative C−N/C−Te bond formations was postulated.

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关键词

Diaryl/diheteroaryl ditelluride,PIFA,3-Aryltelluroindole,Intramolecular cyclization,2-Alkynylanilines

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