A Fluorescent Sensor for Dinitrobenzoic Acid Based on a Cyanuric Acid and Xanthene Skeleton

Francisco M Muñiz; Luis Simón; Silvia Sáez; César Raposo; Victoria Alcázar; Joaquín R Morán

doi:10.3390/s8031637

A Fluorescent Sensor for Dinitrobenzoic Acid Based on a Cyanuric Acid and Xanthene Skeleton

Sensors (Basel). 2008 Mar 11;8(3):1637-1644. doi: 10.3390/s8031637.

Authors

Francisco M Muñiz¹, Luis Simón¹, Silvia Sáez¹, César Raposo², Victoria Alcázar³, Joaquín R Morán⁴

Affiliations

¹ Organic Chemistry Department, Plaza de los Caídos, 1-5, University of Salamanca, 37008 Salamanca, Spain.
² Mass Spectrometry Service, Plaza de los Caídos, 1-5, University of Salamanca, 37008 Salamanca, Spain.
³ Industrial Chemical Engineering, Calle José Gutiérrez Abascal, 2, Madrid Polytechnical University, 28006 Madrid, Spain.
⁴ Organic Chemistry Department, Plaza de los Caídos, 1-5, University of Salamanca, 37008 Salamanca, Spain. romoran@usal.es.

Abstract

A new fluorescent sensor based on a dimethylxanthene skeleton has beensynthesized. Because of its oxyanion hole structure, this receptor includes a suitablecavity for the association of carboxylic acids. The receptor's fluorescence is quenchedupon addition of dinitrobenzoic acid.

Keywords: Dimethylxanthene; carboxylic acid receptor; fluorescent sensor; molecular recognition; oxyanion hole..