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Reactions of Carbon Dioxide with Allylnickel Compounds†
†
This work was supported by the Deutsche Forschungsgemeinschaft.–Atomic parameters and Fo/Fc lists of the X-ray structure analyses are obtainable on request from the authors (Goddard, Krüger, Sekutowski, Tsay).
Graphical Abstract
CO2, allyl-nickel compounds, and phosphanes react quantitatively to give (oligomeric) nickel carboxylates with phosphane ligands. The results are most readily interpreted by assuming CO2 insertion into an allyl-nickel σ-bond formed under influence of the phosphane.
