One-Step Synthesis Of Substituted Benzofurans From Ortho- Alkenylphenols Via Palladium-Catalyzed Ch Functionalization

Dejun Yang,Yifei Zhu,Na Yang,Qiangqiang Jiang,Renhua Liu

Advanced Synthesis and Catalysis（2016）

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摘要

A dehydrogenative oxygenation of C(sp(2))H bonds with intramolecular phenolic hydroxy groups has been developed, which provides a straightforward and concise access to structurally diversely benzofurans from ortho-alkenylphenols. The reaction is catalyzed by palladium on carbon (Pd/C) without any oxidants and sacrificing hydrogen acceptors.

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关键词

acceptorless dehydrogenation, benzofurans, CH functionalization, oxidant-free conditions, palladium

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