Journal
CHEMICAL RECORD
Volume 21, Issue 9, Pages 2306-2319Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/tcr.202100048
Keywords
Radical reactions; organic electrochemistry; electrophotocatalysis; reactive intermediates; redox catalysis
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Funding
- NSFC [21971213]
- MOST [2016YFA0204100]
- Fundamental Research Funds for the Central Universities
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Organic radicals, versatile synthetic intermediates with complementary reactivities to ionic species, have limited scope in electrochemically driven reactions; however, research activity in organic electrochemistry has significantly increased in recent years, with the development of methods for generating and utilizing organic radicals for synthesis through direct electrolysis, molecular electrocatalysis, or molecular electrophotocatalysis.
Organic radicals are versatile synthetic intermediates that provide reactivities and selectivities complementary to ionic species. Despite its long history, electrochemically driven radical reactions remain limited in scope. In the past few years, there have been dramatic increase in research activity in organic electrochemistry. We have been developing electrochemical and electrophotocatalytic methods for the generation and synthetic utilization of organic radicals. In our studies, various radical species such as alkene and arene radical cations and carbon- and heteroatom-centered radicals are generated from readily available precursors through direct electrolysis, molecular electrocatalysis or molecular electrophotocatalysis. These radical species undergo various inter- and intramolecular oxidative transformations to rapidly increase molecular complexity. The simultaneous occurrence of anodic oxidation and cathodic proton reduction allows the oxidative reactions to proceed through H-2 evolution without external chemical oxidants.
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