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

14 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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