Synthesis and unusual response to potassium of bipyridinium-benzocrown ether conjugate |
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Authors: | Tetsuo Kuwabara Koji Abe |
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Affiliation: | Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 4 Takeda, Kofu 400-8511, Japan |
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Abstract: | A bipyridinium derivative appending a benzocrown ether, in which the phenyl unit in the benzocrown ether was directly bounded to the N-position of the bipyridinium unit, has been synthesized. The compound showed a yellow color associated with an intramolecular charge transfer (CT), which was affected by the presence of alkali and alkaline earth metal ions. An unusual CT response to K+ for 1 was observed and could be applicable for K+ sensing. |
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Keywords: | Bipyridinium Intramolecular charge transfer Chemosensor Potassium sensing |
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