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      Two complexes containing 19-atom chains linking metal centres

      Bruce, Michael I.; Nicholson, Brian K.; Zaitseva, Natasha N.
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      Co3-C19-W1.pdf
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      DOI
       10.1016/j.crci.2009.06.002
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      Bruce, M. I., Nicholson, B. K. & Zaitseva, N. N. (2009). Two complexes containing 19-atom chains linking metal centres. Comptes Rendus Chimie, 12(12),1280-1286.
      Permanent Research Commons link: https://hdl.handle.net/10289/3661
      Abstract
      The first example of a complex containing a C₁₉ chain, {Co₃(μ-dppm)(CO)₇}{μ₃-C(C≡C)₉}{W(CO)₃Cp}, has been prepared in 22% yield from the Pd(0) / Cu(I)-catalysed reaction between I(C≡C)₃I, W{C≡CC≡CAu(PPh₃)}(CO)₃Cp and Co₃{μ₃-C(C≡C)₄Au(PPh₃)}(μ-dppm)(CO)₇. Other products also formed include {Co₃(μ-dppm)(CO)₇}{μ₃-C(C≡C)₆}{W(CO)₃Cp} (32%), {Co₃(μ-dppm)(CO)₇}₂{μ₃:μ₃-C(C≡C)xC} [x = 8 (6%) and 11 (5%)], containing respectively C₁₃, C₁₈ and C₂₄ chains, and {W(CO)₃Cp}₂{μ-(C≡C)x} (x = 4, 7) (traces). A second example of a 19-atom chain is found in Hg{(C≡C)₄C[Co₃(μ-dppm)(CO)₇]}₂, obtained in 24% yield from the reaction between Hg(OAc)₂ and Co₃{μ₃-C(C≡C)₄SiMe₃}(μ-dppm)(CO)₇ in the presence of NaOMe.
      Date
      2009
      Type
      Journal Article
      Publisher
      Elsevier
      Rights
      This is an author’s accepted version of an article published in the journal: Comptes Rendus Chimie. © 2009 Académie des sciences Published by Elsevier Masson SAS
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      • Science and Engineering Papers [3122]
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