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UV–vis and fluorescence detection by receptors based on an isophthalamide bearing a phenylethynyl group |
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| Authors: | Shin-ichi Kondo Kimihiro Endo Jun Iioka Keisuke Sato Yuka Matsuta |
| Institution: | Department of Science, Faculty of Science, Yamagata University, Yamagata 990-8560, Japan |
| Abstract: | We have successfully prepared 5-(2-phenylethynyl)isophathalilc acid as a signaling unit and the corresponding derivatives for an anion receptor 2 and a barbiturate receptor 4. Receptor 2 showed characteristic UV–vis changes and dramatic fluorescence quenching upon the addition of anions and receptor 4 showed UV–vis and an OFF-ON fluorescence changes upon the addition of dibutylbarbituric acid based on the diphenylethyne moiety. |
| Keywords: | Isophthalamide derivatives Anion recognition Barbiturate receptor UV–vis titrations Fluorescence change |
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