期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 142, 期 21, 页码 9785-9791出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.0c03304
关键词
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资金
- National Natural Science Foundation of China [21625206, 21632009, 21421002]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB20000000]
The reductive elimination from a high-valent late-transition-metal complex for the formation of a carbon-carbon or carbon heteroatom bond represents a fundamental product-forming step in a number of catalytic processes. Wbile reductive eliminations from well-defined Pt(IV), Pd(IV), Ni(III)/Ni(IV), and Au(III) complexes have been studied, the analogous reactions from neutral Cu(III) complexes remain largely unexplored. Herein, we report the isolation of a stable, five-coordinate, neutral square pyramidal Cu(III) complex that gives CH3-CF3 in quantitative yield via reductive elimination. Mechanistic studies suggest that the reaction occurs through a synchronous bond-breaking/bond-forming process via a three-membered ring transition state.
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