Dicyanovinylcoumarin as a turn-on fluorescent sensor for cyanide ion

Journal of Photochemistry and Photobiology A: Chemistry（2018）

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摘要

•Synthesis of dicyanovinylcoumarins (4a, 4b and 4c) by Knoevenagel condensation reaction.•The dicyanovinylcoumarin (4b) shows turn-on fluorescence towards cyanide anion.•The dicyanovinylcoumarin 4b detection limit for CN− was found to be 1.14×10−8M.

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关键词

Dicyanovinylcoumarin,Fluorescence,Sensor,Sonogashira cross–coupling reaction and cyanide ion

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