Synthesis, coordination to Au(I) and photophysical properties of a novel polyfluorinated benzothiazolephosphine ligand

  1. Fernández, E.J. 1
  2. Laguna, A. 2
  3. López-De-Luzuriaga, J.M. 1
  4. Monge, M. 1
  5. Montiel, M. 1
  6. Olmos, M.E. 1
  7. Rodríguez-Castillo, M. 1
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Instituto de Nanociencia y Materiales de Aragón
    info

    Instituto de Nanociencia y Materiales de Aragón

    Zaragoza, España

    ROR https://ror.org/031n2c920

Revista:
Dalton Transactions

ISSN: 1477-9226

Año de publicación: 2006

Volumen: 30

Páginas: 3672-3677

Tipo: Artículo

DOI: 10.1039/B517728F SCOPUS: 2-s2.0-33746346707 WoS: WOS:000239251600009 GOOGLE SCHOLAR

Otras publicaciones en: Dalton Transactions

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Resumen

The reaction between Ph2PH and C6F5CNS leads to the formation of the polyfluorinated benzothiazolephosphine ligand Ph2P(CNS)(C6F4) 1. The mechanism of the reaction involves the addition of the phosphine to the isothiocyanate and subsequent intramolecular nucleophilic aromatic substitution. This new ligand reacts with gold(i) substrates producing complexes [AuCl(Ph2P(CNS) (C6F4))] 2 and [Au(C6F5)(Ph 2P(CNS)(C6F4))] 3. Both the ligand 1 and complexes 2 and 3 display phosphorescence with emissions arising from n(P) → π*(heterocyclic ring) excited state for 1 and π → π*(heterocyclic ring) excited state for 2 and 3. DFT and TD-DFT calculations agree with these results. © The Royal Society of Chemistry 2006.