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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...
A highly‐reduced olefin nickelate complex has been used as a catalyst precursor of the hydrogenation of sterically hindered olefins. The cover image shows how the pre‐catalyst is converted into catalytically active nickel nanoparticles, which were characterized by transmission electron microscopy. The catalytic potential of these particles is demonstrated by the hydrogenation of 1,1′,2‐triphenylethylene...
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