A Highly Reduced Ni‒Li‒Olefin Complex for Catalytic Kumada-Corriu Cross-Couplings,Journal of the American Chemical Society

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A Highly Reduced Ni‒Li‒Olefin Complex for Catalytic Kumada-Corriu Cross-Couplings
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2018-10-10 , DOI: 10.1021/jacs.8b09849
Lukas Nattmann ₁ , Sigrid Lutz ₁ , Pascal Ortsack ₁ , Richard Goddard ₁ , Josep Cornella ₁

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The catalytic activity of a highly reduced Ni catalyst in the context of a Kumada-Corriu cross-coupling has been studied. This nickel complex is characterized by its high electron density, stabilized by simple olefin ligands in combination with two Li ions. Landmark reactivity has been found with this precatalyst which operates at cryogenic temperatures, thus allowing the presence of sensitive functionalities. Structural elucidation of oxidative addition intermediates and their reactivity suggest highly reduced species being operative in the C-C bond forming event.

中文翻译：

用于催化 Kumada-Corriu 交叉偶联的高度还原的 Ni-Li-Olefin 配合物

已经研究了在 Kumada-Corriu 交叉偶联背景下高度还原的 Ni 催化剂的催化活性。这种镍配合物的特点是其高电子密度，通过简单的烯烃配体和两个锂离子的组合来稳定。这种在低温下运行的预催化剂已经发现具有里程碑意义的反应性，从而允许敏感功能的存在。氧化加成中间体及其反应性的结构阐明表明高度还原的物种在 CC 键形成事件中起作用。

更新日期：2018-10-10

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