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Journal Article

A Highly Reduced Ni–Li–Olefin Complex for Catalytic Kumada–Corriu Cross-Couplings

MPS-Authors
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Nattmann,  Lukas
Research Group Cornellà, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Lutz,  Sigrid
Research Group Cornellà, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Ortsack,  Pascal
Research Group Cornellà, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Goddard,  Richard
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Cornella,  Josep
Research Group Cornellà, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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ja8b09849_si_004-1.pdf
(Supplementary material), 4MB

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(Supplementary material), 14KB

ja8b09849_si_002.cif
(Supplementary material), 10KB

Citation

Nattmann, L., Lutz, S., Ortsack, P., Goddard, R., & Cornella, J. (2018). A Highly Reduced Ni–Li–Olefin Complex for Catalytic Kumada–Corriu Cross-Couplings. Journal of the American Chemical Society, 140(42), 13628-13633. doi:10.1021/jacs.8b09849.


Cite as: http://hdl.handle.net/21.11116/0000-0002-7AAE-2
Abstract
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.