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A naphthyridine-based receptor for sensing citric acid |
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| Authors: | Kumaresh Ghosh Tanushreee Sen |
| Institution: | a Department of Chemistry, University of Kalyani, Kalyani, Nadia 741 235, India b Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, D-48149 Münster, Germany |
| Abstract: | A naphthyridine-based charge neutral receptor has been designed and synthesized. Its complexation with a series of carboxylic acids involved in the Krebs cycle has been studied by 1H NMR, UV-vis and fluorescence methods. The receptor shows strong binding to citric acid (Ka = 1.60 × 105 M−1) and is also able to distinguish diastereomeric maleic acid from fumaric acid by fluorescence. |
| Keywords: | Citric acid binding Maleic acid binding Naphthyridine Fluorescence sensing Selective recognition of carboxylic acid |
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