4.7 Article

Highly sensitive and selective turn-on fluorescent chemodosimeter for Cu2+ in water via Cu2+-promoted hydrolysis of lactone moiety in coumarin

Journal

CHEMICAL COMMUNICATIONS
Volume 46, Issue 19, Pages 3363-3365

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c001408g

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Funding

  1. National Natural Science Foundation of China [20875054, 90813014]

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A nonfluorescent coumarin derivative (1) was synthesized as an efficient turn-on fluorescent chemodosimeter for Cu2+ in water. Mechanism studies suggested that 1 formed a complex with Cu2+ in a 1 : 2 metal-to-ligand ratio, and a 50-fold fluorescence enhancement was observed when the complex simultaneously underwent Cu2+-promoted hydrolysis at ambient temperature.

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