Transition Metal Chemistry

, Volume 29, Issue 5, pp 505–510 | Cite as

Synthesis of a Four-Strand N2O2-Donor Ligand and its Transition Metal Complexation Probed by Electrospray Ionisation Mass Spectrometry

  • Geoffrey A. Lawrance
  • Marcel Maeder
  • Mark J. Robertson
  • Sutrisno
Article

Abstract

The four-strand and potentially N2O2-donor ligand 2,3-endo,endo-bis(aminomethyl)-5,6-endo,endo-bis(hydroxymethyl)bicyclo[2.2.1]heptane (L1), a close analogue of the known tetraalcohol 2,3,5,6-endo,endo,endo,endo-tetrakis(hydroxymethyl)bicyclo[2.2.1]heptane (L2), has been prepared via a multi-step synthesis and isolated as the copper(II) complex [Cu(L1)2](ClO4)2. An ESI-MS study of the complex and metal ion exchange with other transition metal ions (Fe2+, Co2+, Ni2+, Mn2+ or Zn2+) indicates that 1:1 complexes form readily. Apparently special stability for the Ni2+ species observed in the ESI-MS study suggests strong encapsulation of this ion.

Keywords

Mass Spectrometry Metal Complexation Encapsulation Heptane Electrospray Ionisation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • Geoffrey A. Lawrance
    • 1
  • Marcel Maeder
    • 1
  • Mark J. Robertson
    • 1
  • Sutrisno
    • 1
  1. 1.Discipline of Chemistry, School of Environmental and Life SciencesThe University of NewcastleAustralia

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