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Synthesis of benzoxazoles via the copper-catalyzed hydroamination of alkynones with 2-aminophenols
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Abstract We describe herein the synthetic method to benzoxazole derivatives via the copper-catalyzed hydroamination of alkynones with 2-aminophenols. The method produced a wide variety of functionalized benzoxazole derivatives in good yields. Preliminary mechanistic experiments revealed that the reaction would proceed through the copper-catalyzed hydroamination of alkynones and the sequential intramolecular cyclization of β-iminoketones/elimination of acetophenone promoted by the copper catalyst. |
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(2025-6-4)
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GingerF
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Kao
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OK
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Ali
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老的火龙果
Nole
DOC_XIONG
烬余
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