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Excited-State Intramolecular Proton Transfer in 2-(3‘-Hydroxy-2‘-pyridyl)benzoxazole. Evidence of Coupled Proton and Charge Transfer in the Excited State of Some o -Hydroxyarylbenzazoles

✍ Scribed by Ríos Vázquez, Sonia; Ríos Rodríguez, M. Carmen; Mosquera, Manuel; Rodríguez-Prieto, Flor


Book ID
121202521
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
270 KB
Volume
111
Category
Article
ISSN
1089-5639

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The fluorescence of 2-(3'-hydroxy-2'-naphthyl) bcnzimidazole in solution shows two bands at ~400 and 600 MI, respectively assigned to the open-enol form bound to the solvent, and to the phototautomer produced from the closedenol form. Both enol species coexist in the ground state. A fluorescence ris