aSchool of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, South Korea
bCenter for Molecular Design and Synthesis, KAIST, Taejon 305-701, South Korea
Abstract:
A new fluorescent anion sensor 1, based on a biaryl–thiourea system, exhibits a fluorescence emission enhancement via conformational restriction upon a hydrogen bond-mediated complexation of fluoride anions.