Journal
CHEM
Volume 6, Issue 9, Pages 2407-2419Publisher
CELL PRESS
DOI: 10.1016/j.chempr.2020.07.003
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Funding
- National Natural Science Foundation of China (NFSC) [21532009, 21790330, 91956202, 21821002, 21761142010]
- Science and Technology Commission of Shanghai Municipality [17JC1401200, 19590750400]
- Strategic Priority Research Program [XDB20000000]
- Key Research Program of Frontier Science [QYZDJSSWSLH055]
- Chinese Academy of Sciences [121731KYSB20190016]
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The asymmetric trifluoromethylation of aryl-substituted cyclopropanols via a radical ring-opening pathway is reported herein, which provides an easy and straightforward access to structurally diverse beta-CF3 ketones in good yields and excellent enantioselectivities under very mild conditions. Critical to the success of the copper-catalyzed radical relay is that a benzylic radical intermediate can be enantioselectively trapped by reactive (L*)(CuCF3)-C-II. In addition, a novel quinolinyl-containing bisoxazoline ligand plays a significant role in the asymmetric trifluoromethylation.
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