Abstract
New scaffolds of sulfonamido-chromone derivatives recently synthesized were found to be effective fluorescent sensors for fluoride anion. This new class of fluorophore showed a blue shift in the emission spectra upon addition of various equivalents of fluoride. These compounds also exhibit excellent selectivity for the fluoride anion via a deprotonation process. They were also shown to have a detection limit of F− down to 0.5 ppm.
Published Version
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