Journal
ORGANIC CHEMISTRY FRONTIERS
Volume 2, Issue 7, Pages 823-848Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5qo00075k
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Funding
- Office of Science of the U.S. Department of Energy [DE-SC0004993]
- SDSU
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The present review surveys current chemical understanding of catalysis by addition and removal of an electron. As an overarching theme of this type of catalysis, we introduce the role of redox scales in oxidation and reduction reactions as a direct analogue of pK(a) scales in acid/base catalysis. Each scale is helpful in determining the type of reactivity to be expected. In addition, we describe several means of generating electrons and holes via chemical reactions, plasmonic resonance, radiolytic, photochemical and electrochemical methods. We specifically draw parallels between the now well-established fields of photoredox catalysis and chemical opportunities made available by electrochemical methods. We highlight accessible potential ranges for a series of electrochemical solvents and provide a discussion on experimental design, pitfalls and some remaining challenges in preparative organic electrochemistry.
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