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Cu(I)-Catalyzed Enantioselective γ-Boryl Substitution of Trifluoromethyl- and Silyl-Substituted Alkenes
European Journal of Organic Chemistry ( IF 2.5 ) Pub Date : 2022-07-22 , DOI: 10.1002/ejoc.202200664
Natsuki Oyama 1 , Sota Akiyama 1 , Koji Kubota 1 , Tsuneo Imamoto 2 , Hajime Ito 3
Affiliation  

Trifluoromethyl-substituted alkenyl silanes were converted into optically active gem-difluoro-1-silyl-allylboronates by a copper(I)-catalyzed borylation utilizing optically active, C1 symmetric QuinoxP*-type bisphosphine ligands in good yield and enantioselectivity (up to 83 % yield, 86 % ee). The product of this reaction can be used as optically active organofluorine building blocks through further transformation.

中文翻译:

Cu(I)-催化三氟甲基和甲硅烷基取代烯烃的对映选择性 γ-硼烷基取代

三氟甲基取代的烯基硅烷通过铜 (I) 催化的硼化反应转化为具有光学活性的-二氟-1-甲硅烷基-烯丙基硼酸酯,利用光学活性的C 1对称 QuinoxP* 型双膦配体以良好的产率和对映选择性(高达 83 % 产率,86% ee)。该反应产物经进一步转化可用作光学活性有机氟结构单元。
更新日期:2022-07-22
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