Click-modified hexahomotrioxacalix[3]arenes as fluorometric and colorimetric dual-modal chemosensors for 2,4,6-trinitrophenol |
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| Authors: | Chong Wu Jiang-Lin Zhao Xue-Kai Jiang Xin-Long Ni Xi Zeng Carl Redshaw Takehiko Yamato |
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| Affiliation: | 1. Department of Applied Chemistry, Faculty of Science and Engineering, Saga University, Honjo-machi 1, Saga 840-8502, Japan;2. Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, People''s Republic of China;3. Department of Chemistry, The University of Hull, Cottingham Road, Hull, Yorkshire, HU6 7RX, UK |
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| Abstract: | A new type of chemosensor-based approach to the detection of 2,4,6-trinitrophenol (TNP) is described in this paper. Two hexahomotrioxacalix[3]arene-based chemosensors 1 and 2 were synthesized through click chemistry, which exhibited high binding affinity and selectivity toward TNP as evidenced by UV–vis and fluorescence spectroscopy studies. 1H NMR titration analysis verified that CH?O hydrogen bonding is demonstrated as the mode of interaction, which possibly facilitates effective charge-transfer. |
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| Keywords: | Hexahomotrioxacalix[3]arene Click chemistry Colorimetric chemosensor Fluorometric chemosensor 2,4,6-Trinitrophenol |
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