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    • Dpto. Química Física y Química Inorgánica
    • DEP63 - Artículos de revista
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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/21767

    Título
    Highly fluorescent complexes with 3-isocyanoperylene and N-(2,5-di-tert-butylphenyl)-9-isocyano-perylene- 3,4-dicarboximide
    Autor
    Lentijo, S.
    Expósito Fuertes, José Emilio
    Aullón, Gabriel
    Miguel García, Jesús ÁngelAutoridad UVA Orcid
    Espinet Rubio, PabloAutoridad UVA Orcid
    Año del Documento
    2014
    Editorial
    Royal Society of Chemistry
    Descripción
    Producción Científica
    Documento Fuente
    Dalton Transactions, 2014, 43, p. 10885-10897
    Abstract
    The perylene derivatives 3-isocyanoperylene (Per–N≡C) (4a) and N-(2,5-di-tert-butylphenyl)- 9-isocyano-perylene-3,4-dicarboximide (PMI–N≡C) (4b) were prepared and used to synthesize gold complexes [AuX(CNR)] (X = C6F5 (5a,b), C6F4-OnBu-p (6b)). The reaction of 5b and 6b with HNEt2 led the carbene complexes [AuX{C(NEt2)(NHR)}] (7b, 8b), respectively. The molecular structure of complexes 7b, 8b have been determined by X-ray diffraction analysis showing intermolecular π–stacking of the perylene groups and C6F5 rings, and no Au···Au interactions. The derivative compounds [M(CO)5(CNR)] (M = Cr (9a,b), Mo (10a,b) or W (11a,b)) and trans-[Pd(CNR)2(C6F3Cl2)2] (12a,b) were also prepared. All complexes exhibit fluorescence associated to the perylene fragment with emission quantum yields, in solution at room temperature, in the range 0.05 – 0.93 and emission lifetimes ~ 4 ns. DFT calculations were performed of the absorption spectra of the ligands Per–N≡C and PMI–N≡C, and representative complexes [Au(C6F5)(CNR)], [Cr(CO)5(CNR)], showing a perylene-dominated intraligand π–π*emissive state, from the HOMO and LUMO orbitals of the perylene chromophore, but with significantly different absorption maxima by influence of the metal fragment, particularly significant in the Per–N≡C derivatives.
    Materias (normalizadas)
    Chemistry
    ISSN
    1477-9226
    Revisión por pares
    SI
    DOI
    10.1039/C4DT01016G
    Patrocinador
    Ministerio de Economía, Industria y Competitividad (CTQ2011-2513)
    Ministerio de Economía, Industria y Competitividad (CTQ2011-23862-C02)
    Junta de Castilla y León (programa de apoyo a proyectos de investigación – Ref. VA302U13)
    Generalitat de Catalunya (grant 2009SGR-1459)
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/21767
    Derechos
    openAccess
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    • DEP63 - Artículos de revista [223]
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