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Heterogeneous Olefin Hydrogenation Enabled by a Highly‐Reduced Nickel(−II) Catalyst Precursor

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Maier, Thomas M. ; Sandl, Sebastian ; Melzl, Peter ; Zweck, Josef ; Jacobi von Wangelin, Axel ; Wolf, Robert
License: Creative Commons Attribution Non-commercial 3.0
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Date of publication of this fulltext: 22 Jan 2021 09:51


The hydrogenation of olefins, styrenes, enoates, imines, and sterically hindered tri-substituted olefins was accomplished using the pre-catalyst dilithiumbis(cycloocta-1,5-diene)nickelate(-II) (1). The mild conditions tolerate hydroxyl, halide, ester, and lactone functionalities. Mechanistic studies, including reaction progress analyses, poisoning experiments, and multinuclear NMR monitoring, indicate that a heterotopic (nickel nanoparticle) catalyst is in operation.

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