Reductive Electrophotocatalysis: Merging Electricity and Light to Achieve Extreme Reduction Potentials

Hyunwoo Kim; Hyungjun Kim; Tristan Lambert; Song Lin

doi:10.26434/chemrxiv.9936623.v2

Catalysis

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Reductive Electrophotocatalysis: Merging Electricity and Light to Achieve Extreme Reduction Potentials

08 October 2019, Version 2

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This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting.

Abstract

We describe a new electrophotocatalytic strategy that harnesses the power of light and electricity to generate an excited radical anion with a reducing potential of –3.2 V vs. SCE, which can be used to activate substrates with very high reduction potentials (E_red ~ –1.9 to –2.9 V). The resultant aryl radicals can be engaged in various synthetically useful transformations to furnish arylboronate, arylstannane, and biaryl products.

Keywords

electrophotocatalysis

radical anions

borylation

synthetic electrocatalysis

photoredox catalysis

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