Synthesis and optical behaviour of monodispersed oligo(fluorenylidene)s (Articolo in rivista)

Type
Label
  • Synthesis and optical behaviour of monodispersed oligo(fluorenylidene)s (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Grisorio, R; Mastrorilli, P; Ciccarella, G; Suranna, GP; Nobile, CF (2008)
    Synthesis and optical behaviour of monodispersed oligo(fluorenylidene)s
    in Tetrahedron letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Grisorio, R; Mastrorilli, P; Ciccarella, G; Suranna, GP; Nobile, CF (literal)
Pagina inizio
  • 2078 (literal)
Pagina fine
  • 2082 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 49 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Grisorio, Roberto; Mastrorilli, Piero; Suranna, Gian Paolo; Nobile, Cosirno Francesco] Polytech Bari, Dept Water Engn & Chem DIAC, I-70125 Bari, Italy; [Ciccarella, Giuseppe] Univ Salento, INFM, CNR, NNL,Dist Tecnol ISUFI, I-73100 Lecce, Italy; [Ciccarella, Giuseppe] Univ Salento, Dipartimento Ingn Innovaz, I-73100 Lecce, Italy (literal)
Titolo
  • Synthesis and optical behaviour of monodispersed oligo(fluorenylidene)s (literal)
Abstract
  • The synthesis of the first series of monodispersed oligo(fluorenylidene)s is reported. The synthetic sequence envisages as key steps the obtainment (a) of a bis-pinacolboronate fluorenylidene dimer by a Ni(cod)(2) promoted homocoupling of the suitable 7-bromo-fluorenylidene boronic ester and (b) of the bis-pinacolboronate fluorenylidene trimer and tetramer by a Ni(cod)(2) promoted coupling of a 7-bromo-fluorenylidene boronic ester with 0.5 equiv of the corresponding 2,7-dibromofluorenylidene derivative. The optical properties of the obtained oligomers were studied. In the case of OF3 the optical behaviour was compared to that of a suitably synthesized fluorenone-containing model compound. (C) 2008 Elsevier Ltd. All rights reserved. (literal)
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