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      A combinatorial-like probe on the reactivity of the {Pt₂S₂} core of Pt₂(PPh₃)₄(μ-S)₂ by electrospray mass spectrometry. Synthesis and structures of novel heterometallic sulfide aggregates of gold(III), mercury(II), and tin(IV) with platinum(II)

      Fong, S.W. Audi; Yap, Woon Teck; Vittal, Jagadese J.; Hor, T.S. Andy; Henderson, William; Oliver, Allen G.; Rickard, Clifton E.F.
      DOI
       10.1039/b100789k
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      Fong, S. W. A., Yap, W. T., Vittal, J. J., Hor, T. S. A., Henderson, W., Oliver, A. G., & Rickard, C. E. F. (2001). A combinatorial-like probe on the reactivity of the {Pt₂S₂} core of Pt₂(PPh₃)₄(μ-S)₂ by electrospray mass spectrometry. Synthesis and structures of novel heterometallic sulfide aggregates of gold(III), mercury(II), and tin(IV) with platinum(II). Journal of Chemical Society Dalton Transactions, 1986-2002.
      Permanent Research Commons link: https://hdl.handle.net/10289/3423
      Abstract
      Electrospray mass spectrometry (ESMS) provides a rapid and convenient technique for probing the nucleophilicity of the {Pt₂S₂} butterfly core. Positive-ion electrospray mass spectra have been recorded for a wide array of aggregates incorporating various metallo-fragments into the Pt₂(PPh₃)₄(μ-S)₂ 1 moiety. Such combinatorial-like screening allowed a large number of different metal–sulfur interactions to be studied and the resultant heterometallic aggregates postulated. Such postulations were subsequently confirmed by synthetic studies and single-crystal X-ray crystallographic analyses. This approach helped to minimize the wastage by focusing on the synthesis of aggregates that were supported by the ESMS evidence. It has resulted in the isolation of a series of novel aggregates such as {AuIIIPt₂S₂}, {HgIIPt₂S₂}, and {SnIVPt₂S₂} in good lab-scale yields. It also led to the trapping and characterization of the monoprotonated product of 1, which has eluded isolation.
      Date
      2001
      Type
      Journal Article
      Publisher
      Royal Society of Chemistry
      Collections
      • Science and Engineering Papers [3019]
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