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Title: Ground- and excited-state properties of some naphthoflavyliums
Authors: Elhabiri, Mourad
Figueiredo, Paulo
George, Florian
Cornard, Jean-Paul
Fougerousse, André
Merlin, Jean-Claude
Brouillard, Raymond
Issue Date: 1996
Citation: Canadian Journal of Chemistry, Vol. 74, pages 697-706
Abstract: A series of five, structurally related, substituted 2-phenyl-benzopyrylium (flavylium) salts were synthesized and characterized by NMR, absorption, and fluorescence techniques. Their hydration and deprotonation constants were obtained through thermodynamic and relaxation kinetic methods. Metallic complexation with the two compounds possessing a catechol group and its effect on the fluorescence intensity was also studied. The ground state properties of the five pigments are correlated with the theoretical data collected through AM1 molecular orbital calculations.
Appears in Collections:A CS/CN - Artigos

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