Oxidative halogenation of dinuclear N-heterocyclic dicarbene gold(I) complexes (Articolo in rivista)

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  • Oxidative halogenation of dinuclear N-heterocyclic dicarbene gold(I) complexes (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jorganchem.2012.10.002 (literal)
Alternative label
  • Baron M.; Tubaro C.; Basato M.; Natile M.M.; Graiff C. (2013)
    Oxidative halogenation of dinuclear N-heterocyclic dicarbene gold(I) complexes
    in Journal of organometallic chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Baron M.; Tubaro C.; Basato M.; Natile M.M.; Graiff C. (literal)
Pagina inizio
  • 108 (literal)
Pagina fine
  • 114 (literal)
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  • http://www.sciencedirect.com/science/article/pii/S0022328X12005827 (literal)
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  • 723 (literal)
Rivista
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  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
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  • 1-3 : Dipartimento di Scienze Chimiche, Universit√† di Padova, via Marzolo 1, 35131 Padova, Italy / 4 : ISTM-CNR, INSTM, Universit√† di Padova, via Marzolo 1, 35131 Padova, Italy / 5 : Dipartimento di Chimica Generale e Inorganica, Chimica Analitica, Universit√† di Parma, Viale delle Scienze 17/A, 43100 Parma, Italy (literal)
Titolo
  • Oxidative halogenation of dinuclear N-heterocyclic dicarbene gold(I) complexes (literal)
Abstract
  • Cl-2, Br-2, and I-2 are effective agents for the oxidative addition of carbene-coordinated Au(I) centres in [Au-2(MeIm-xylylene-ImMe)(2)](PF6)(2). The resulting complexes depend on the type of xylylene bridge between the two carbene units. With m- and p-xylylene, the obtained products are always the Au(III)/Au(III) complexes [Au2X4(MeIm-m,p-xylylene-ImMe)(2)](PF6)(2) (X = Cl, Br, I). By contrast, with the o-xylylene bridge only in the reaction with iodine the Au(III)/Au(III) complex is isolated as the unique compound, while with chlorine or bromine a mixture of two complexes, the usual Au(III)/Au(III) and the Au(II)/Au(II) [Au2X2(MeIm-o-xylylene-ImMe)(2)](PF6)(2) (X = Cl, Br), is obtained. This different behaviour is attributable to a greater tendency of o-xylylene bridge to favour an approach of the gold centres compared to the m-and p-analogues. (C) 2012 Elsevier B. V. All rights reserved. (literal)
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