(E)-5-[Bromo(phenyl)methylene]-4-phenyl-2-(p-tolyl)-4,5-dihydrooxazole

Nobuyoshi Morita, Saki Kurami, Naho Ishii,Kosaku Tanaka,Yoshimitsu Hashimoto,Osamu Tamura

Molbank（2024）

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Abstract

One-pot synthesis of (E)-5-[bromo(phenyl)methylene]-4-phenyl-2-(p-tolyl)-4,5-dihydrooxazole (9) from propargylic alcohol 5 and p-toluamide (6) was achieved via gold(III)-catalyzed propargylic substitution, followed by gold(III)-catalyzed bromocyclization. The structure of 9 was confirmed by an X-ray crystallographic analysis.

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Key words

gold catalyst,propargylic substitution,bromocyclization

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