Gold(III)-Catalyzed Propargylic Substitution Reaction Followed by Cycloisomerization for Synthesis of Poly-Substituted Furans from N-Tosylpropargyl Amines with 1,3-Dicarbonyl Compounds.

Nobuyoshi Morita, Shingo Uchida,Hitomi Chiaki, Naho Ishii, Kentaro Tanikawa,Kosaku Tanaka,Yoshimitsu Hashimoto,Osamu Tamura

Molecules (Basel, Switzerland)（2024）

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摘要

The treatment of N-tosylpropargyl amines 1 with 1,3-dicarbonyl compounds 2 in the presence of AuBr3 (5 mol%) and AgOTf (15 mol%) afforded poly-substituted furans 3 in good-to-high yields via the gold-catalyzed cleavage of the sp3 carbon-nitrogen bond.

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关键词

gold catalyst,poly-substituted furans,<i>N</i>-tosylpropargyl amines,propargylic substitution,cycloisomerization

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