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      Bis(metallaethynyl) Ketones: Synthesis and Structure of {(Ph₃P)AuC≡C}₂CO and Attempted Transmetalation: Formation and Structure of [1,3-{Ru(dppe)Cp}₂{c-COC(OMe)CHCCH}]PF₆

      Armitt, David J.; Bruce, Michael I.; Morris, Jonathan C.; Nicholson, Brian K.; Parker, Christian R.; Skelton, Brian W.; Zaitseva, Natasha N.
      DOI
       10.1021/om200659t
      Link
       pubs.acs.org
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      Citation
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      Nicholson, B.K., Clark, C.J., Wright, C.E., Telfers, S.G. & Groutso, T. (2011). New Sb₁₂ and Sb₁₄ Polyoxometalate Frameworks Derived from Arylstibonic Acids: [LiH₃(p-MeC₆H₄Sb)₁₂O₂₈]⁴⁻ and [BaH₁₀(p-MeC₆H₄Sb)₁₄O₃₄]. Organometallics, 30(24), 6612-6616.
      Permanent Research Commons link: https://hdl.handle.net/10289/5979
      Abstract
      The bis(metallaethynyl) ketone {(Ph₃P)AuC≡C}₂CO (1), obtained from (Me₃SiC≡C)₂CO, AuCl(PPh₃), and NaOMe, forms an Au•••Au-bonded dimer in the solid state (Au•••Au = 2.9825(3) Å). The ES-MS contains ions [2M + X]⁺ (X = Na, K, Au), but the lack of the ion [2M]⁺ and NMR evidence suggest that the dimeric structure is not preserved in solution. Compound 1 reacts with RuCl(dppe)Cp to afford the unusual dimetal-substituted pyrylium complex [1,3-{Ru(dppe)Cp}₂{c-COC(OMe)CHCCH}]PF₆ (2). The molecular structure of 2 is also reported, together with a proposed route for its formation.
      Date
      2011
      Type
      Journal Article
      Publisher
      American Chemistry Society
      Collections
      • Science and Engineering Papers [3124]
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