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      Probing the Lewis basicity of the metalloligand [Pt₂(μ-Se)₂(PPh₃)₄] on tin substrates by electrospray mass spectrometry

      Yeo, Jeremy S.L.; Vittal, Jagadese J.; Henderson, William; Hor, T.S. Andy
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      Henderson Probing the Lewis basicity.pdf
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      DOI
       10.1039/b006907h
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      Yeo, J. S. L., Vittal, J. J., Henderson, W., & Hor, T. S. A. (2001). Probing the Lewis basicity of the metalloligand [Pt₂(μ-Se)₂(PPh₃)₄] on tin substrates by electrospray mass spectrometry. Journal of the Chemical Society Dalton Transactions, 3, 315-321.
      Permanent Research Commons link: https://hdl.handle.net/10289/3374
      Abstract
      Electrospray Mass Spectrometry (ESMS) has been used as a tool to probe the reactivity of [Pt₂(μ-Se)₂(PPh₃)₄] with tin(IV) substrates, which leads to the formation of charged coordination complexes via loss of halides. The metal substrates used in the displacement reactions are SnRxCl4 – x (x = 1, R = Me, Bu or Ph; x = 2, R = Me, Bu, Et or Ph; x = 3, R = Me, Ph) and Sn(CH₂Ph)₂Br₂. Most of these reactions gave both mono- and di-cations through displacement of one and two halides respectively by [Pt₂(μ-Se)₂(PPh₃)₄]. ESMS was also used to monitor the progress of reactions. The products, upon isolation, were also characterized by NMR and X-ray single crystal crystallographic analysis. The crystal structures of the aggregates [Pt₂(μ₃-Se)₂(PPh₃)₄(SnBuCl₂)][PF₆], [Pt₂(μ₃-Se)₂(PPh₃)₄(SnBu₂Cl)][PF₆] and [Pt₂(μ₃-Se)₂(PPh₃)₄(SnMe₂Cl)][PF₆] are reported and discussed.
      Date
      2001
      Type
      Journal Article
      Publisher
      ROYAL SOC CHEMISTRY
      Rights
      This is an author’s accepted version of an article published in the Journal of the Chemical Society Dalton Transactions. © The Royal Society of Chemistry 2001.
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      • Science and Engineering Papers [3019]
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