Reactivity of Nickel Complexes Bearing P(C═X)P Ligands (X = O, N) Toward Diazoalkanes: Evidence for Phosphorus Ylide Intermediates
María L. G. Sansores-Paredes,
Max Wendel,
Martin Lutz
et al.
Abstract:Nickel carbenes are attracting attention for the development of more sustainable catalysts, among others, for cyclopropanation. Intramolecular trapping of a nickel carbene intermediate with an olefin incorporated in a P(C�C)P Ni pincer complex had previously allowed the isolation of a nickelacyclobutane intermediate and a detailed characterization of its reactivity. Herein, we report the reactivity of related nickel pincer complexes bearing a ketone P(C�O)P or an imine P(C�N)P with diazoalkanes as the carbene … Show more
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