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      Spanning [Pt₂(μ-S)₂(PPh₃)₄] metalloligands with 1,4-dimercurated durene

      Cameron, Nicola E.; Linklater, Rachael Annette; Henderson, William; Nicholson, Brian K.; Hor, T.S. Andy
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      Henderson mercury durene.pdf
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      DOI
       10.1016/j.jorganchem.2008.09.013
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      Cameron, N.E., Linklater, R.A., Henderson, W., Nicholson, B.K. & Hor, T.S.A. (2008). Spanning [Pt₂(μ-S)₂(PPh₃)₄] metalloligands with 1,4-dimercurated durene. Journal of Organometallic Chemistry, 693(25), 3711-3714.
      Permanent Research Commons link: https://hdl.handle.net/10289/2824
      Abstract
      Reaction of the metalloligand [Pt₂(μ-S)₂(PPh₃)₄] with 0.5 mole equivalents of durene-1,4-bis(mercuric acetate) [AcOHgC₆Me₄HgOAc] in methanol gives the polynuclear complex [{Pt₂(μ-S)₂(PPh₃)₄}₂(μ-1,4-C₆Me₄Hg₂)]²⁺, isolated as its PF₆⁻ and BPh₄⁻ salts. Positive-ion ESI mass spectra indicate that [{Pt₂(μ-S)₂(PPh₃)₄}₂(μ-1,4-C₆Me₄Hg₂)]²⁺ undergoes fragmentation by successive loss of PPh₃ ligands, while the ESI mass spectrum of the BPh₄⁻ salt showed additional ions [Pt₂(μ-S)₂(PPh₃)₄(HgC₆Me₄HgPh)]⁺ and [Pt₂(μ-S)₂(PPh₃)₄HgPh]⁺as a result of phenyl transfer from BPh₄⁻ to Hg. A single-crystal X-ray structure determination on [{Pt₂(μ-S)₂(PPh₃)₄}₂(μ-1,4-C₆Me₄Hg₂)](BPh₄)₂shows that the cation crystallises on a centre of symmetry, with structural features that are comparable to those of the previously characterised complex [Pt₂(μ-S)₂(PPh₃)₄HgPh]BPh₄.
      Date
      2008
      Type
      Journal Article
      Publisher
      Elsevier
      Rights
      This is an author’s accepted version of an article published in the Journal of Organometallic Chemistry. (c) 2008 Elsevier Science B. V.
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      • Science and Engineering Papers [3019]
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