期刊
TETRAHEDRON LETTERS
卷 57, 期 45, 页码 4978-4982出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2016.09.089
关键词
Fluorescence sensor; Synthesis; Suzuki coupling; Nitroaromatic compounds; Anions
资金
- National Natural Science Foundation of China [21371086]
- Commonweal Research Foundation of Liaoning province in China [2014003019]
The 4,4'-(9,9-dimethylfluorene-2,7-diyl)dibenzoic acid (5) was synthesized using commercial fluorene as the starting material followed by processes of bromination, methylation, Suzuki coupling and hydrolysis. We reported it as an exclusive fluorescence sensor for 2,4,6-trinitrophenol (TNP) and acetate ions for the first time. The experimental results suggested a high efficiency for TNP detection with K-SV values of 21,215 M-1, which has achieved to micromolar level (10 mu M) of this material. Moreover, the detection limit (1.39 x 10(-6) M) was measured according to the fluorescence intensity changes of Ac- in CH3CN. (C) 2016 Elsevier Ltd. All rights reserved.
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