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A Colorimetric Approach to Anion Sensing: A Selective Chemosensor of Fluoride Ions, in which Color is Generated by Anion-Enhanced π Delocalization

Articolo
Data di Pubblicazione:
2004
Abstract:
A colorless neutral receptor with no particular chromogenic substituents selectively recognizes fluoride ions with a concomitant development of a yellow color (see scheme). The receptor contains two equivalent arms, each equipped with a thiourea fragment. Color originates from the extended π delocalization induced by the strong hydrogen-bonding interaction of the F− ion with the internal NH groups of thiourea moieties.
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
Colorimetric sensors; anion recognition
Elenco autori:
Fabbrizzi, Luigi; Taglietti, ANGELO MARIA; Miguel, Vázquez; Rosa M., Pedrido; Ana M., González Noya; Manuel R., Bermejo
Autori di Ateneo:
TAGLIETTI ANGELO MARIA
Link alla scheda completa:
https://iris.unipv.it/handle/11571/21238
Pubblicato in:
ANGEWANDTE CHEMIE. INTERNATIONAL EDITION
Journal
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