Anion Receptor with Two Imidazolium Rings on the Glycoluril |
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| Authors: | Hyungil Kim Sungjae In |
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| Institution: | Sejong University, Department of Applied Chemistry , Seoul, 143-747, South Korea |
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| Abstract: | We have synthesized an anion receptor with two imidazolium groups on the glycoluril. This receptor showed high affinity for Y-shaped anions such as acetate and benzoate. Although the association constants of these anions for the receptor 4 are too large to be estimated from 1H NMR titration, the receptor 4 has at least 560-fold selectivity for acetate or benzoate over iodide and 360-fold selectivity over nitrate. |
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| Keywords: | Carboxylate selective Anion receptor Imidazolium ring Glycoluril |
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