Fluorescent “Turn-Off” Detection of Fluoride and Cyanide Ions Using Zwitterionic Spirocyclic Meisenheimer Compounds

Fluorescent “Turn-Off” Detection of Fluoride and Cyanide Ions Using Zwitterionic Spirocyclic Meisenheimer Compounds

Stable zwitterionic spirocyclic Meisenheimer compounds were synthesized using a one-step reaction between picric acid and diisopropyl (ZW1) or dicyclohexyl (ZW3) carbodiimide. A solution of these compounds displays intense orange fluorescence upon UV or visible light excitation, which can be quenche...

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Bibliographic Details
Main Authors:	Marina Benet, Marc Villabona, Carles Llavina, Silvia Mena, Jordi Hernando, Rabih O. Al-Kaysi, Gonzalo Guirado
Format:	Article
Language:	English
Published:	MDPI AG 2017-10-01
Series:	Molecules
Subjects:	spirocyclic Meisenheimer complex fluoride cyanide colorimetric fluorescence zwitterionic
Online Access:	https://www.mdpi.com/1420-3049/22/11/1842

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