Direct Radiofluorination of Arene C-H Bonds via Photoredox Catalysis Using a Peroxide as the Terminal Oxidant.

Direct Radiofluorination of Arene C-H Bonds via Photoredox Catalysis Using a Peroxide as the Terminal Oxidant.
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DOI:
10.1021/acs.orglett.0c02815
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发表时间:
2020-10-16
期刊:
影响因子:
5.2
通讯作者:
Li Z
Li Z
中科院分区:
化学1区
文献类型:
--
作者:
Wang L;White AR;Chen W;Wu Z;Nicewicz DA;Li Z

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本文描述了一种以过氧化物为氧化剂,以发光二极管为光源的直接芳烃C-H辐射氧化体系。结合优化的光催化剂和微管反应器,该系统适用于一系列富电子芳烃和杂芳烃。我们还证明了无共沸干燥步骤的C-H放射性标记的可行性,这大大简化了标记过程的工作流程。
Herein, we describe an organic photoredox system for direct arene C–H radiofluorination using a peroxide oxidizing agent and LEDs as the light source. In conjunction with an optimized photocatalyst and a microtubing reactor, this system is applicable to a range of electron-rich aromatics and heteroaromatics. We also demonstrate the feasibility of C–H radiofluorination without an azeotropic drying step, which greatly simplifies the workflow of labeling process.
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