Abstract
A new anthracene coupled dicyanovinyl based receptor (1) was synthesized and characterized using spectroscopic techniques like FT-IR, 1H-NMR and 13C-NMR and HRMS. The propensity of the synthesized receptor to effectively sense Fe3+ and CN− ions was studied using UV–vis, fluorescence spectroscopy and density functional theory techniques. Upon interaction with various anions, receptor (1) showed rapid and selective sensing of cyanide ion via colorimetric as well as fluorescence turn-on response in acetonitrile medium. In addition, sequential recognition of Fe3+ ion among various cations also observed by receptor(1)–CN−. Limit of detection for cyanide was found to be 8.11 × 10−6M. The fluorescence turn on response of receptor(1) with cyanide ion was successfully applied for the bio-imaging studies of cell line RAW264.7. The relay recognition of Fe3+ was applied for the construction of IMP and INH logic gates.
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