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摘要:
Photoredox-based C-H bond functionalization constitutes one of the most powerful and atom-economical approaches to organic syntheses. During this type of reaction, single electron transfer takes place between the photocatalyst (PC) and redox- active substrates. Electrosynthesis also involves electron transfer between substrates and electrodes. In this paper, we focus upon electrochemical cross-coupling of C(sp(2))-H with aryldiazonium salts and have developed an efficient electrochemical approach to the Minisci-type arylation reaction. The constant current paired electrosynthesis proceeds in a simple undivided cell without external supporting electrolyte, features a wide range of substrates and is easy to scale-up. These results demonstrate that photoredox-based cross-coupling of C(sp(2))-H with aryldiazonium salts can also proceed successfully under paired electrolysis conditions, thereby contributing to understanding of the parallels between photosynthesis and electrosynthesis.
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来源 :
ADVANCED SYNTHESIS & CATALYSIS
ISSN: 1615-4150
年份: 2019
期: 22
卷: 361
页码: 5170-5175
5 . 4 0 0
JCR@2022
ESI学科: CHEMISTRY;
ESI高被引阀值:166
JCR分区:1
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