Multidentate ligands for the synthesis of multi-metallic complexes

A. Mustapha, K. Busch, M. Patykiewicz, A. Apedaile, J. Reglinski, A.R. Kennedy, T.J. Prior

Research output: Contribution to journalArticle

24 Citations (Scopus)


The reaction of the Schiff base species tris-((2-hydroxybenzylidene)aminoethyl)-amine (TrenSal) and tris-((2-hydroxy-5-bromobenzylidene) aminoethyl)amine (Tren5BrSal) with the acetates of nickel and zinc are reported. Two trimetallic complexes (M3L2) of Tren5BrSal with nickel and zinc have been crystallographically characterised. The attempted crystallisation of bis-(tris- ((2-hydroxybenzylidene)aminoethyl)amine nickel) nickel from solutions containing TMEDA lead to the production of two novel complexes: namely a nickel adduct of the partially hydrolysed TrenSal ligand and an interesting nickel bromide-carbonate salt. [(TrenSal)2Ni3] is reacted with PbCl2 to form a novel tetrametallic complex, [{(TrenSal)Ni}Pb(NC5H5)Cl]2, where a Pb2Cl2 moiety replaces the nickel at the core of the complex. Extending the study to include the related hexadentate ligand, 1,1, 1-tris-((2-hydroxybenzylidene)-aminomethyl)propane (TEtSal), we were able to isolate and characterise both [(TEtSal)2Ni3] and [{(TEtSal)Ni}2Pb].
Original languageEnglish
Pages (from-to)868-878
Number of pages10
Issue number2
Publication statusPublished - 6 Feb 2008


  • multidentate
  • Schiff base
  • nickel
  • zinc
  • lead

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