Visible Light-Promoted Recyclable Carbon Nitride-Catalyzed Dioxygenation of β,γ-Unsaturated Oximes,Advanced Synthesis & Catalysis

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Visible Light-Promoted Recyclable Carbon Nitride-Catalyzed Dioxygenation of β,γ-Unsaturated Oximes
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2021-10-29 , DOI: 10.1002/adsc.202101012
Xiaoyang Fu ₁ , Yafeng Si ₁ , Lipeng Qiao ₁ , Yufen Zhao ₂ , Xiaolan Chen ₁ , Bing Yu ₁

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A visible-light-induced dioxygenation of β,γ-unsaturated oximes for the synthesis of diverse useful isoxazolines bearing a hydroxyl moiety was developed by employing graphitic carbon nitride (g-C₃N₄) as a heterogeneous photocatalyst under an air atmosphere. Noted that, the eminent advantages of this metal-free protocol include step economy, easy operation, a recyclable photocatalyst, external reductant-/oxidant-free and mild reaction conditions. Additionally, mechanistic studies indicated hydroxyl radical was generated under the photocatalysis of g-C₃N₄.

中文翻译：

可见光促进可回收氮化碳催化β,γ-不饱和肟的双氧合

_{通过在空气气氛下使用石墨氮化碳 (gC 3} N ₄ ) 作为非均相光催化剂，开发了一种可见光诱导的β , γ -不饱和肟的双氧合，用于合成各种有用的带有羟基的异恶唑啉。值得注意的是，这种无金属协议的显着优势包括步骤经济、易于操作、可回收的光催化剂、外部还原剂/氧化剂和温和的反应条件。此外，机理研究表明，在 gC ₃ N ₄的光催化作用下会产生羟基自由基。

更新日期：2021-10-29

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