New redox anion receptors based on calix[4]pyrrole bearing ferrocene amide |
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| Authors: | Wenzhi Yang Chun-Hua Wang Jiaqi He Jin-Pei Cheng |
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| Affiliation: | a Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, NanKai University, Tianjin 300071, China
b College of Chemistry and Life Science, Tianjin Normal University, Tianjin 300387, China |
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| Abstract: | Two redox anion receptors based on calix[4]pyrrole and ferrocene have been synthesized. The electrochemical investigation revealed that these compounds can be response to the anions with different shifts of Fc/Fc+ couple. With the 1H NMR titration study, the selectivity to F− and AcO− ions in CD3CN solution was confirmed. The conformations of the mono-aromatic meso-substituted calix[4]pyrroles, which were the synthetical intermediate of the ferrocene based receptors, and their anion complexes in the solid state have also been studied by single X-ray crystallography, and the rationality of the crystal conformations was proved by theoretical study. |
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| Keywords: | Anion recognition Calix[4]pyrrole Crystal structure Redox receptor Theoretical calculation |
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