Potent Reductants via Electron-Primed Photoredox Catalysis: Unlocking Aryl Chlorides for Radical Coupling.

Potent Reductants via Electron-Primed Photoredox Catalysis: Unlocking Aryl Chlorides for Radical Coupling.
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DOI:
10.1021/jacs.9b12328
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发表时间:
2020-02-05
影响因子:
15
通讯作者:
Wickens ZK
Wickens ZK
中科院分区:
化学1区
文献类型:
--
作者:
Cowper NGW;Chernowsky CP;Williams OP;Wickens ZK

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We describe a new catalytic strategy to transcend the energetic limitations of visible light by electrochemically priming a photocatalyst prior to excitation. This new catalytic system is able to productively engage aryl chlorides with reduction potentials hundreds of millivolts beyond the potential of Na0 in productive radical coupling reactions. The aryl radicals produced via this strategy can be leveraged for both carbon–carbon and carbon–heteroatom bond-forming reactions. Through direct comparison, we illustrate the reactivity and selectivity advantages of this approach relative to electrolysis and photoredox catalysis.
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