Heterobimetallic (Ferrocenyl)Indenyl Iridium Complexes. Synthesis, Crystal Structure, Reactivity and Oxidative Activation (Articolo in rivista)

Type
Label
  • Heterobimetallic (Ferrocenyl)Indenyl Iridium Complexes. Synthesis, Crystal Structure, Reactivity and Oxidative Activation (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0020-1693(02)01342-7 (literal)
Alternative label
  • Santi S.; Benetollo F.; Ceccon A.; Crociani L.; Gambaro A.; Ganis P.; Tiso M.; Venzo A. (2003)
    Heterobimetallic (Ferrocenyl)Indenyl Iridium Complexes. Synthesis, Crystal Structure, Reactivity and Oxidative Activation
    in Inorganica Chimica Acta (Testo stamp.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Santi S.; Benetollo F.; Ceccon A.; Crociani L.; Gambaro A.; Ganis P.; Tiso M.; Venzo A. (literal)
Pagina inizio
  • 221 (literal)
Pagina fine
  • 229 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0020169302013427 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 344 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#descrizioneSinteticaDelProdotto
  • L'articolo riguarda la sintesi di complessi eterobimetallici contenenti un'unità ferrocenilica e un'unità indenil-IrL2 legati sigma. Questi complessi sono stati sottoposti ad analisi voltammetrica per valutare la comunicazione elettronica dei due centri metallici. (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,3, 5-7. Dipartimento di Chimica Fisica, Università degli Studi di Padova 2,4 CNR, Istituto di Chimica Inorganica e delle Superfici Padua 7 CNR, Centro di Studio sugli Stati Molecolari Radicalici ed Eccitati, Padua (literal)
Titolo
  • Heterobimetallic (Ferrocenyl)Indenyl Iridium Complexes. Synthesis, Crystal Structure, Reactivity and Oxidative Activation (literal)
Abstract
  • The reaction of (1-ferrocenyl)indenyl lithium, generated from (3-ferrocenyl)-indene (1) and n-butyl lithium in THF, with the dimers [Ir( m-Cl)(cod)]2 and [Ir( m-Cl)(coe)2]2 afforded the heterobimetallic [ h5-(1-ferrocenyl)indenyl]–Ir(cod) (2) and [ h5-(1-ferrocenyl)indenyl]–Ir(coe)2 (3) (cod=cycloocta-1,5-diene; COE=cyclooctene). The complex [ h5-(1-ferrocenyl)indenyl]–Ir(CO)2 (4) was obtained from 3 by exchange reaction with CO at room temperature. In contrast, the carbonylation of 2 at low temperature produces the h1-(1-ferrocenyl)indenyl]–Ir(cod)(CO)2 intermediate stable up to room temperature. The elimination of COD to give 4 occurs at higher temperature than in the corresponding monometallic h1-indenyl–Ir(cod)(CO)2. The crystal structure of 4 showed that iron and iridium are disposed in a cisoid configuration favoured by a stabilising weak bond interaction between the hydrogens of the cyclopentadienyl (Cp) ring and iridium and its carbonyls. The results of the electrochemical oxidation of 4 support the existence of a significant chemical interaction between the two metals. The comparison with the voltammetric results of the isomorphous rhodium complex 6 evidences for 4 a slowing down of the kinetic of the metal–metal interaction, and the absence of the radical cation oxidation even at high potential. (literal)
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