Induced Fit Interanion Discrimination by Binding-Induced Excimer Formation (Articolo in rivista)

Type
Label
  • Induced Fit Interanion Discrimination by Binding-Induced Excimer Formation (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ja711012d (literal)
Alternative label
  • Maria H. Filby; Sara Jane Dickson; Nelsi Zaccheroni; Luca Prodi; Sara Bonacchi; Marco Montalti; Martin J. Paterson; Terry D. Humphries; Claudio Chiorboli; Jonathan W. Steed. (2008)
    Induced Fit Interanion Discrimination by Binding-Induced Excimer Formation
    in Journal of the American Chemical Society (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maria H. Filby; Sara Jane Dickson; Nelsi Zaccheroni; Luca Prodi; Sara Bonacchi; Marco Montalti; Martin J. Paterson; Terry D. Humphries; Claudio Chiorboli; Jonathan W. Steed. (literal)
Pagina inizio
  • 4105 (literal)
Pagina fine
  • 4113 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 130 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, United Kingdom, Dipartimento di Chimica “G. Ciamician”, Via Selmi 2, 40126 Bologna, Italy, School of Engineering and Physical Sciences, Heriott-Watt University, Edinburgh, EH14 4AS, United Kingdom, Department of Chemistry, King’s College London, Strand, London WC2R 2LS, United Kingdom ISOF-CNR (Sezione di Ferrara), Via Borsari, 46, 44100 Ferrara, Italy (literal)
Titolo
  • Induced Fit Interanion Discrimination by Binding-Induced Excimer Formation (literal)
Abstract
  • The synthesis, photophysical, and anion-binding properties of a series of di-, tri-, and tetrapodal anion-binding hosts based on aminopyridinium units with pyrenyl reporter groups are described. The ditopic mesitylene-derived calix[4]arene-based host 4 binds strongly to dicarboxylates, particularly malonate, in a 2:1 anion:host ratio but is essentially nonemissive in the presence of all anions except chloride because of intramolecular quenching by the pyridinium units. Addition of chloride results in a conformational change, giving an initial increase in emission assigned to intramolecular excimer formation. Further chloride addition also results in an increase in the intensity of the pyrenyl monomer emission as chloride binding reduces the acceptor ability of the pyridinium groups. This behavior is not exhibited by control compounds 5 and 6, which lack the ditopic geometry and calixarene spacer unit; however, tripodal 6 forms 1:2 anion:host complexes with a range of anions. (literal)
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