4.5 Article

Dinuclear gold(III) pyrazolato complexes - Synthesis, structural characterization and transformation to their trinuclear gold(I) and gold(I/III) analogues

Journal

INORGANICA CHIMICA ACTA
Volume 362, Issue 5, Pages 1546-1552

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2008.07.028

Keywords

Gold complexes; X-ray structures; Dinuclear complexes; Trinuclear complexes; Mixed-valent complexes

Funding

  1. NASA-URC [NCC3-1034]
  2. SRF
  3. SEM, China

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The reaction of AuCl(3)py with Na(pz*) (pz* = pyrazolato, or substituted pyrazolato anion) yields stable dinuclear [cis-(AuCl2)-Cl-III(mu-pz*)](2) complexes. In the presence of a base, the latter undergo reduction with concomitant transformation of the dinuclear Au-2(III)-structure to trinuclear (Au2AuI)-Au-III, (AuAu2I)-Au-III (containing trans (AuCl2)-Cl-III-centres) and Au-3(I) species. (C) 2008 Elsevier B. V. All rights reserved.

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