Expanded bodipy dyes: anion sensing using a bodipy analog with an additional difluoroboron bridge |
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Authors: | Guliyev Ruslan Ozturk Seyma Sahin Ertan Akkaya Engin U |
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Institution: | UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey. |
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Abstract: | Oxalyl-tethered pyrroles can be doubly bridged with two difluoroboron chelating units to yield bright orange dyes. Interestingly, in polar organic solvents, the addition of fluoride and cyanide result in reversible detachment of the otherwise stable difluoroboron bridges, resulting in sharp changes in color. Thus, this novel compound behaves as a highly selective chromogenic sensor for fluoride and cyanide ions. |
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