期刊
CHEMICAL SCIENCE
卷 12, 期 2, 页码 533-539出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0sc05734g
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资金
- Zhejiang University of Technology [2020414801729]
- Nanyang Technological University [RG1/19, RG2/20]
- Ministry of Education Singapore [MOE2019-T2-1-091]
Enantioselective transition metal catalysis directed by chiral cations combines chiral cation catalysis with organometallic catalysis. Three strategies have been identified and successfully applied to various organic reactions, enhancing the versatility and capability of the catalysts. This development promotes cooperation between chiral cations and transition metals in catalysis.
Enantioselective transition metal catalysis directed by chiral cations is the amalgamation of chiral cation catalysis and organometallic catalysis. Thus far, three strategies have been revealed: ligand scaffolds incorporated on chiral cations, chiral cations paired with transition metal 'ate'-type complexes, and ligand scaffolds incorporated on achiral anions. Chiral cation ion-pair catalysis has been successfully applied to alkylation, cycloaddition, dihydroxylation, oxohydroxylation, sulfoxidation, epoxidation and C-H borylation. This development represents an effective approach to promote the cooperation between chiral cations and transition metals, increasing the versatility and capability of both these forms of catalysts. In this review, we present current examples of the three strategies and suggest possible inclusions for the future.
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