Synthesis and catalytic activity of nickel(II) complexes containing NCN pincer ligands

Ashwin G. Nair, Roy T. McBurney, Mark R. D. Gatus, D. Barney Walker, Mohan Bhadbhade, Barbara A. Messerle*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)

    Abstract

    In this study, nickel(II) complexes [L me Ni(II)Cl]+(BPh4)-, [L me Ni(II)Cl]+(PF6)- and [L et 2 Ni(II)]+(BPh4)- 2 were synthesised and characterized in the solution and solid states. Ligands L me (C11H12N6) and L et (C13H17N6) featured a central carbene donor linked to pendant pyrazoles via either methylene or ethylene linkers. The catalytic activity of all three complexes was tested in the Kumada cross coupling reaction between phenylmagnesium bromide and aromatic halogen substituted substrates. [L me Ni(II)Cl]+(BPh4)-was found to be the most active catalyst.

    Original languageEnglish
    Pages (from-to)63-70
    Number of pages8
    JournalJournal of Organometallic Chemistry
    Volume845
    DOIs
    Publication statusPublished - 15 Sep 2017

    Keywords

    • Kumada cross coupling
    • nickel(II) pincer complexes
    • organometallic catalysis

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