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Radical asymmetric intramolecular α-cyclopropanation of aldehydes towards bicyclo[3.1.0]hexanes containing vicinal all-carbon quaternary stereocenters
oleh: Liu Ye, Qiang-Shuai Gu, Yu Tian, Xiang Meng, Guo-Cong Chen, Xin-Yuan Liu
Format: | Article |
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Diterbitkan: | Nature Portfolio 2018-01-01 |
Deskripsi
Synthesis of cyclopropanes bearing vicinal all-carbon quaternary stereocenters poses synthetic challenges. Here, the authors report an intramolecular radical cyclopropanation with a copper/amine cooperative catalytic system for the efficient construction of bicyclo[3.1.0]hexane skeletons, also enantioselectively.