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  • Title: A core-substituted naphthalene diimide fluoride sensor.
    Author: Bhosale SV, Bhosale SV, Kalyankar MB, Langford SJ.
    Journal: Org Lett; 2009 Dec 03; 11(23):5418-21. PubMed ID: 19943698.
    Abstract:
    The synthesis and characterization of a highly fluorescent core-substituted naphthalene diimide sensor (varphi = 0.34) bearing a bis-sulfonamide group is described. The compound shows a unique selectivity and reactivity for the fluoride ion over other anions in CHCl(3) by a two-stage deprotonation process leading to a colorimetric response. In DMSO solution, the sensor is shown to be highly selective for fluoride (K(a) approximately 10(6) M(-1)) over other anions with more pronounced changes in absorption characteristics.
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