Controlling One- or Two-Electron Oxidation for Selective Amine Functionalization by Alternating Current Frequency.

Controlling One- or Two-Electron Oxidation for Selective Amine Functionalization by Alternating Current Frequency.
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DOI:
10.1021/jacs.2c02605
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发表时间:
2022-06-08
影响因子:
15
通讯作者:
Luo, Long
Luo, Long
中科院分区:
化学1区
文献类型:
--
作者:
Gunasekera, Disni;Mahajan, Jyoti P.;Wanzi, Yanick;Rodrigo, Sachini;Liu, Wei;Tan, Ting;Luo, Long

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Here, we report a unique electrosynthetic method that enables the selective one-electron oxidation of tertiary amines to generate α-amino radical intermediates over two-electron oxidation to iminium cations, providing easy access to arylation products by simply applying an optimal alternating current (AC) frequency. More importantly, we have discovered an electrochemical descriptor from cyclic voltammetry studies to predict the optimal AC frequency for various amine substrates, circumventing the time-consuming trial-and-error methods for optimizing reaction conditions. This new development in AC electrolysis provides an alternative strategy to solving challenging chemoselectivity problems in synthetic organic chemistry.
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