Light-Mediated Asymmetric Aliphatic C-H Alkylation with Hydrogen Atom Transfer Catalyst and Chiral Phosphoric Acid
ACS CATALYSIS(2020)
摘要
In the presence of tetrabutylammonium decatungstate and chiral Spiro phosphoric acid, a light-mediated asymmetric C-H functionalization of unactivated hydrocarbons with exocyclic enones has been established. A wide range of cycloalkanes, benzylic, and allylic hydrocarbons are tolerated. This protocol proceeds via a hydrogen atom transfer/radical addition/hydrogen abstraction/enantioselective protonation relay process.
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关键词
C-H functionalization,asymmetric photocatalysis,hydrogen atom transfer,enantioselective protonation,chiral phosphoric acid
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