Metal-Directed Synthesis and Photophysical Studies of Trinuclear V-Shaped and Pentanuclear X-Shaped Ruthenium and Osmium Metallorods and Metallostars Based upon 4'-(3,5-Dihydroxyphenyl)-2,2':6',2''-terpyridine Divergent Units (Articolo in rivista)

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Label
  • Metal-Directed Synthesis and Photophysical Studies of Trinuclear V-Shaped and Pentanuclear X-Shaped Ruthenium and Osmium Metallorods and Metallostars Based upon 4'-(3,5-Dihydroxyphenyl)-2,2':6',2''-terpyridine Divergent Units (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Edwin C. Constable; Robyn W. Handel; Catherine E. Housecroft; Angeles Farran Morales; Barbara Ventura;Lucia Flamigni, Francesco Barigelletti (2005)
    Metal-Directed Synthesis and Photophysical Studies of Trinuclear V-Shaped and Pentanuclear X-Shaped Ruthenium and Osmium Metallorods and Metallostars Based upon 4'-(3,5-Dihydroxyphenyl)-2,2':6',2''-terpyridine Divergent Units
    in Chemistry (Weinh., Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Edwin C. Constable; Robyn W. Handel; Catherine E. Housecroft; Angeles Farran Morales; Barbara Ventura;Lucia Flamigni, Francesco Barigelletti (literal)
Pagina inizio
  • 4024 (literal)
Pagina fine
  • 4034 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 11 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Chemistry, University of Basel, Spitalstrasse 51, 4056 Basel (Switzerland) Istituto per la Sintesi Organica e Fotoreattivit? (ISOF-CNR) Via P. Gobetti 101, 40129 Bologna (Italy) (literal)
Titolo
  • Metal-Directed Synthesis and Photophysical Studies of Trinuclear V-Shaped and Pentanuclear X-Shaped Ruthenium and Osmium Metallorods and Metallostars Based upon 4'-(3,5-Dihydroxyphenyl)-2,2':6',2''-terpyridine Divergent Units (literal)
Abstract
  • A new series of V-shaped trinuclear metallorods and X-shaped pentanuclear metallostars has been prepared by the reaction of metal complexes bearing pendant phenolic functionalities with complexes containing electrophilic ligands. Specifically, {M- (tpy)2} motifs (M=Ru or Os; tpy= 2,2':6',2''-terpyridine) bearing one or two pendant 3,5-dihydroxyphenyl substituents at the 4-position of the central ring of the tpy have been reacted with the complexes [Ru(tpy)(Xtpy)]2+ (X= Cl or Br) to form new ether-linked species. The energy transfer from ruthenium to osmium in these complexes has been investigated in detail and the efficiency of transfer shown to be highly temperature dependent; the energy transfer is highly efficient at low temperature, whereas at room temperature nonradiative and nontransfer deactivation of the excited {Ru(tpy)2}* domains is most significant. (literal)
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