Synthesis, crystal structures and use in ethylene oligomerization catalysis of novel mono- and dinuclear nickel complexes supported by (E)-N′-(1- (thiophen-2-yl)ethylidene)benzohydrazide ligand

Weiwei Zuo, Clarisse Tourbillon, Vitor Rosa, Khaled Cheaib, Marta M. Andrade, Samuel Dagorne, Richard Welter

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The coordination chemistry of Ni II supported by (E)-N′-(1-(thiophen-2-yl)ethylidene)benzohydrazide ligand (HL) is reported and discussed. The crystal structure of ligand HL has been determined as well as those of three new Ni II complexes (Ni(HL) 2Br 2, NiL 2 and μ-aquo-Ni 2L 4). The pseudo-octahedral bis(chelate) Ni(II) complex 2 (NiL 2), in which unexpected and singular Ni⋯S interaction is observed, was evaluated as catalyst for the oligomerization of ethylene and found to provide ethylene dimers and trimers as primary products with a turnover frequency (TOF) of 31 200 mol of C 2H 4 per mol. of Ni and per hour.

Original languageEnglish
Pages (from-to)213-219
Number of pages7
JournalInorganica Chimica Acta
Volume383
DOIs
Publication statusPublished - 30 Mar 2012

Keywords

  • Coordination chemistry
  • Crystal structure
  • Ethylene oligomerization catalysis
  • Nickel complexes

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