Abstract
A series of new sensors (1, 2, 3 and 4) bearing aromatic hydroxyl group shows the strongest binding ability for AcO- by UV-vis, fluorescence, 1H NMR titrations and theoretical investigation. The sensitivity for AcO- can be tuned by electron push-pull properties of the substituents on the aromatic ortho position of the sensor. Especially, sensor 4 containing nitro group shows the best sensitivity. The excellent sensitivity of 4 for AcO- is attributed to the structure match of host-guest. In addition, the interacted process of host-guest accompanies color changes and can be used as new colorimetric chemosensors. Real life experimental result indicates that sensor 4 can be used to qualitatively detect the fluoride in toothpaste.
Keywords: Acetate detection, anion recognition, aromatic hydroxyl group, binding ability, chemosensor, colorimetric sensor, fluoride toothpaste, host-guest chemistry, molecular probe, selectivity, theoretical investigation
Current Analytical Chemistry
Title:Influence of Different Substituents on Anion Binding Ability in Aromatic Hydroxyl Group Derivatives: Experiment and Theory
Volume: 8 Issue: 3
Author(s): X. Shang, Y. Hao, Yi. Wang, J. Han, Y. Zhai, S. Jia, J. Zhang and X. Xu
Affiliation:
Keywords: Acetate detection, anion recognition, aromatic hydroxyl group, binding ability, chemosensor, colorimetric sensor, fluoride toothpaste, host-guest chemistry, molecular probe, selectivity, theoretical investigation
Abstract: A series of new sensors (1, 2, 3 and 4) bearing aromatic hydroxyl group shows the strongest binding ability for AcO- by UV-vis, fluorescence, 1H NMR titrations and theoretical investigation. The sensitivity for AcO- can be tuned by electron push-pull properties of the substituents on the aromatic ortho position of the sensor. Especially, sensor 4 containing nitro group shows the best sensitivity. The excellent sensitivity of 4 for AcO- is attributed to the structure match of host-guest. In addition, the interacted process of host-guest accompanies color changes and can be used as new colorimetric chemosensors. Real life experimental result indicates that sensor 4 can be used to qualitatively detect the fluoride in toothpaste.
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Cite this article as:
Shang X., Hao Y., Wang Yi., Han J., Zhai Y., Jia S., Zhang J. and Xu X., Influence of Different Substituents on Anion Binding Ability in Aromatic Hydroxyl Group Derivatives: Experiment and Theory, Current Analytical Chemistry 2012; 8 (3) . https://dx.doi.org/10.2174/157341112801264950
DOI https://dx.doi.org/10.2174/157341112801264950 |
Print ISSN 1573-4110 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6727 |
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