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Mendoza‐Espinosa, Daniel; Rendón‐Nava, David; Alvarez‐Hernández, Alejandro; Angeles‐Beltrán, Deyanira; Negrón‐Silva, Guillermo E.; Suárez‐Castillo, Oscar R.

Visible‐Light‐Promoted AuI to AuIII Oxidation in Triazol‐5‐ylidene Complexes

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  • Media type: E-Article
  • Title: Visible‐Light‐Promoted AuI to AuIII Oxidation in Triazol‐5‐ylidene Complexes
  • Contributor: Mendoza‐Espinosa, Daniel; Rendón‐Nava, David; Alvarez‐Hernández, Alejandro; Angeles‐Beltrán, Deyanira; Negrón‐Silva, Guillermo E.; Suárez‐Castillo, Oscar R.
  • imprint: Wiley, 2017
  • Published in: Chemistry – An Asian Journal
  • Language: English
  • DOI: 10.1002/asia.201601499
  • ISSN: 1861-4728; 1861-471X
  • Origination:
  • Footnote:
  • Description: <jats:title>Abstract</jats:title><jats:p>Reaction of triazolium precursors [MIC(CH<jats:sub>2</jats:sub>)<jats:sub><jats:italic>n</jats:italic></jats:sub>‐ H<jats:sup>+</jats:sup>]I<jats:sup>−</jats:sup> (<jats:italic>n</jats:italic>=1–3) with potassium hexamethyldisilazane (KHMDS) and AuCl(SMe<jats:sub>2</jats:sub>) generates the gold(I) complexes of the type MIC(CH<jats:sub>2</jats:sub>)<jats:sub><jats:italic>n</jats:italic></jats:sub>⋅AuI. Visible light exposure of the latter complexes promotes a spontaneous disproportionation process rendering gold(III) complexes of the type [{MIC(CH<jats:sub>2</jats:sub>)<jats:sub><jats:italic>n</jats:italic></jats:sub>}<jats:sub>2</jats:sub>⋅AuI<jats:sub>2</jats:sub>]<jats:sup>+</jats:sup>I<jats:sup>−</jats:sup>. Both the Au<jats:sup>I</jats:sup> and Au<jats:sup>III</jats:sup> complex series were tested in the catalytic hydrohydrazination of terminal alkynes using hydrazine as nitrogen source.</jats:p>