Anomalous Fluorescent Responses of 9-Fluorenecarboxamide Derivatives Possessing Benzo-15-crown-5

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  • HAMA Hiroya
    Division of Environmental Material Science, Graduate School of Environmental Science, Hokkaido University
  • MOROZUMI Tatsuya
    Section of Materials Science, Research Faculty of Environmental Earth Science, Hokkaido University
  • NAKAMURA Hiroshi
    Section of Materials Science, Research Faculty of Environmental Earth Science, Hokkaido University

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抄録

A new fluorescent ionophore for alkaline earth metal ions, 4′-(9-fluorenecarboxamido)benzo-15-crown-5 (3), was synthesized; its photochemical behavior was investigated using UV, fluorescence, 1H NMR, and 13C NMR spectrometry. In the absence of a metal ion, the fluorene moiety showed weak fluorescence emission (fluorescence “Off” state). However, complexation with metal ions greatly enhanced the fluorescence intensity (fluorescence “On” state).

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  • Analytical Sciences

    Analytical Sciences 23 (11), 1257-1259, 2007

    社団法人 日本分析化学会

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