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      Immobilization of [Pt₂(μ-S)₂(PPh₃)₄] on polymeric supports by sulfide alkylation and phosphine exchange reactions

      Ujam, Oguejiofo Theophilus; Devey, Kyle; Henderson, William; Nicholson, Brian K.; Mucalo, Michael R.; Decker, Corry; Hor, T.S. Andy
      DOI
       10.1080/10426507.2012.761990
      Link
       www.tandfonline.com
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      Citation
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      Ujam, O. T., Devey, K., Henderson, W., Nicholson, B. K., Mucalo, M. R., Decker, C., & Hor, T. S. A. (2013). Immobilization of [Pt₂(μ-S)₂(PPh₃)₄] on polymeric supports by sulfide alkylation and phosphine exchange reactions. Phosphorus, Sulfur, and Silicon and the Related Elements, 188(11), 1508-1525.
      Permanent Research Commons link: https://hdl.handle.net/10289/8368
      Abstract
      The immobilization of the dinuclear platinum(II) sulfido complex [Pt₂(μ-S)₂ (PPh₃)₄] on solid supports has been investigated. Reaction with haloalkyl functionalized polymers [Merrifield's resin (chloromethylated polystyrene), chloropropyl silica, chloropropyl controlled pore glass, and bromopropyl polysiloxane] gives complexes immobilized through alkylation of one of the sulfide ligands, forming a μ-thiolate ligand acting as an anchor to the polymer support, akin to well-established reactions of [Pt₂(μ-S)₂(PPh₃)₄] with molecular alkylating agents. The model complex [Pt₂(μ-S)(μ-SCH₂SiMe₃)(PPh₃)₄]PF₆ was prepared as the first molecular silicon-containing derivative of [Pt₂(μ-S)₂(PPh₃)₄] and was fully characterized by NMR spectroscopy, electrospray ionization-mass spectrometry, and single-crystal X-ray diffraction. Immobilization of [Pt₂(μ-S)₂(PPh₃)₄] by phosphine exchange reactions was also achieved using commercial polystyrene-grafted triphenylphosphine or a new immobilized phosphine [derived by sequential functionalization of Merrifield's resin with a polyether amine and then Ph₂PCH₂OH].
      Date
      2013
      Type
      Journal Article
      Publisher
      Taylor & Francis
      Collections
      • Science and Engineering Papers [3019]
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