F-Induced ‘turn-on’ fluorescent chemosensor based on 1,3-alt thiacalix[4]arene |
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| Authors: | Manoj Kumar Rajesh Kumar Vandana Bhalla |
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| Institution: | Department of Chemistry, Guru Nanak Dev University, Amritsar, Punjab 143005, India |
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| Abstract: | A new thiacalix4]arene based fluorescent sensor 1 bearing two naphthyl groups has been synthesized in 1,3-alternate conformation. In the absence of fluoride ion, the receptor 1 is in ‘off-state’ showing no fluorescence emission. The presence of fluoride ion triggered the fluorescence emission to ‘on-state’. The receptor shows pronounced selectivity for fluoride ions. In THF, the presence of F− ions induces the formation of a 1:1 (G:H) complex. |
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| Keywords: | Fluorogenic chemosensor Thiacalix[4]arene Fluoride |
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