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Enantioselective Ni-Catalyzed Electrochemical Synthesis of Biaryl Atropisomers

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posted on 2020-05-21, 16:04 authored by Hui Qiu, Bin Shuai, Yun-Zhao Wang, Dong Liu, Yue-Gang Chen, Pei-Sen Gao, Hong-Xing Ma, Song Chen, Tian-Sheng Mei
A scalable enantio­selective nickel-catalyzed electro­chemical reductive homocoupling of aryl bromides has been developed, affording enantio­enriched axially chiral biaryls in good yield under mild conditions using electricity as a reductant in an undivided cell. Common metal reductants such as Mn or Zn powder resulted in significantly lower yields in the absence of electric current under otherwise identical conditions, underscoring the enhanced reactivity provided by the combination of transition metal catalysis and electro­chemistry.

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