Nickel complexes of allyl and vinyldiphenylphosphine

Clapson, Marissa L. and Nelson, David J. and Drover, Marcus W. (2023) Nickel complexes of allyl and vinyldiphenylphosphine. ACS Organic & Inorganic Au, 3 (4). 217–222. ISSN 2694-247X (

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Monodentate phosphine-ligated nickel compounds, e.g., [Ni(PPh3)4] are relevant as active catalysts across a broad range of reactions. This report expands upon the coordination chemistry of this family, offering the reactivity of allyl- and vinyl-substituted diphenylphosphine (PPh2R) with [Ni(COD)2] (COD = 1,5-cyclooctadiene). These reactions provide three-coordinate dinickelacycles that are intermolecularly tethered through adjacent {Ni}-olefin interactions. The ring conformation of such cycles has been studied in the solid-state and using theoretical calculations. Here, a difference in reaction outcome is linked to the presence of an allyl vs vinyl group, where the former is observed to undergo rearrangement, bringing about challenges in clean product isolation.


Clapson, Marissa L., Nelson, David J. ORCID logoORCID: and Drover, Marcus W.;