An unexpected reaction of indole derivatives and EAA catalyzed with InCl3

Zunyuan Wang,Xiaoyu Li,Youlu Pan,Zhen Ma,Zhengrong Shen,Wenhai Huang

Molecular Catalysis（2023）

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摘要

•An unexpected reaction of indole derivatives and EAA catalyzed with InCl3 was deeply investigated.•The structure was identified by 2D-NMR and HRMS.•A new method to synthesize multi-substituted cyclobutenes was established.•A plausible mechanism for the cyclobutenylation of indole derivatives with EAA was proposed.

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关键词

Indole derivatives,Ethyl acetoacetate,Indium(III) chloride,Cyclobutenes

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