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      The cycloauration of pyridine-2-thiocarboxamide ligands

      Kilpin, Kelly Joan; Henderson, William; Nicholson, Brian K.
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      Au thioamide manuscript.pdf
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      DOI
       10.1016/j.ica.2009.10.003
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      Kilpin, K. J., Henderson, W. & Nicholson, B. K. (2010). The cycloauration of pyridine-2-thiocarboxamide ligands. Inorganica Chimica Acta. 363(1), 41-48.
      Permanent Research Commons link: https://hdl.handle.net/10289/3247
      Abstract
      Reactions of H[AuCl₄] with N-substituted 2-pyridine thiocarboxamide ligands 2-(C₅H₄N)C(S)NHR (R= p-C₆H₄Me, CH₂Ph, Me, p-C₆H₄OMe) gave cycloaurated derivatives {(C₅H₄N)C(S)NR}AuCl₂, with the ligand bonded as the thiol tautomer through the deprotonated SH group and the pyridine N atom to give a five-membered metallacyclic ring. The X-ray structure determination of the R = CH₂Ph derivative shows a square-planar gold(III) complex that dimerises in the solid state by weak Au...S intermolecular interactions. In contrast, in the reaction of H[AuCl₄] with 2-(C₅H₄N)C(S)NHR where R = 2-pyridyl, the ligand was oxidised to give a 1,2,4-thiadiazolo[2,3-a]pyridinium heterocyclic ring that was crystallographically characterised.
      Date
      2010
      Type
      Journal Article
      Publisher
      Elsevier BV
      Rights
      This is an author’s accepted version of an article published in the journal: Inorganica Chimica Acta. ©2009 Elsevier.
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      • Science and Engineering Papers [3019]
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