Expanded bodipy dyes: anion sensing using a bodipy analog with an additional difluoroboron bridge
Akkaya, E. U.
American Chemical Society
1528 - 1531
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Please cite this item using this persistent URLhttp://hdl.handle.net/11693/21548
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.