Guest-responsive intramolecular charge transfer of viologen-crown ether conjugate |
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| Authors: | Tetsuo Kuwabara Haocheng GuoHiroki Orii |
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| Affiliation: | Interdisciplinary Graduate School of Medicine and Engineering, Faculty of Engineering, University of Yamanashi, 4 Takeda, Kofu 400-8511, Japan |
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| Abstract: | Viologen-benzocrown ether conjugate (1) was prepared, in which a phenyl unit in benzocrown ether was incorporated into the nitrogen atom of a bypiridinium unit through a sigma bond. 1 showed a yellow color associated with an intramolecular charge transfer (CT) that responds to alkali and alkaline earth metal ions, especially to Ca2+. |
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| Keywords: | Chemosensor Intramolecular charge transfer Host-guest chemistry Viologen |
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