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  • Title: Highly sensitive and selective "turn-on" fluorescent chemodosimeter for Cu2+ in water via Cu2+-promoted hydrolysis of lactone moiety in coumarin.
    Author: Li N, Xiang Y, Tong A.
    Journal: Chem Commun (Camb); 2010 May 21; 46(19):3363-5. PubMed ID: 20442902.
    Abstract:
    A nonfluorescent coumarin derivative (1) was synthesized as an efficient "turn-on" fluorescent chemodosimeter for Cu(2+) in water. Mechanism studies suggested that 1 formed a complex with Cu(2+) in a 1:2 metal-to-ligand ratio, and a 50-fold fluorescence enhancement was observed when the complex simultaneously underwent Cu(2+)-promoted hydrolysis at ambient temperature.
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