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A novel colorimetric and fluorometric anion sensor based on BODIPY-calix[4]pyrrole conjugate |
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| Authors: | Yongjun lv Jian Xu Yong Guo Shijun Shao |
| Institution: | 1. Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People’s Republic of China 3. Graduate School of the Chinese Academy of Sciences, Beijing, 100039, People’s Republic of China 2. State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People’s Republic of China |
| Abstract: | A novel fluorescent anion sensor 1 based on boradiazaindacenes (BODIPY) derivative was synthesized and its absorption and fluorescence properties were investigated in various solvents. 1 exhibited a red shift of absorption spectrum and fluorescence quenching in varying degree in the presence of F?, AcO?, H2PO4 ? and Cl? due to multiple hydrogen bonding interactions between these anions and calix4]pyrrole receptor. As an anion sensor in the visible region, 1 displayed the similar selectivity and sensitivity toward anions compared to the parent calix4]pyrrole. However, 1 can be used as an effective dual responsive optical sensor for F? via chromogenical and fluorogenical signals. |
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