期刊
TETRAHEDRON
卷 70, 期 35, 页码 5488-5493出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2014.06.110
关键词
2,1,3-Benzothiadiazole; Dimesitylboryl group; Intense fluorescence; Fluorescent sensor; Fluoride ions
One symmetrical and two unsymmetrical dimesitylboryl-substituted BTD derivatives 1-3 were prepared through Pd(0)-catalyzed Suzuki coupling reaction. All these compounds display intense fluorescence not only in solution but also in the solid state due to steric bulkiness of the boryl group, which is effective to suppress the intermolecular interactions in the solid state. In addition, the boryl-substituted BTD 1 displays prompt fluorescence responses to fluoride ions with high sensitivity through the complexation of the boron center with fluoride, demonstrating its potential utility as fluorescent sensor for fluoride ions. (C) 2014 Elsevier Ltd. All rights reserved.
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