Abstract
AbstractWe report synthesis of a library of diamino‐terephthalonitrile based single‐benzene fluorophores (SBFs). These SBFs contain a reactive terminal linker group. They open up the possibility of marrying their excellent fluorescent property with various biogenic units, leading to value‐added SBFs. The solvatofluorochromism behavior of these newly synthesized SBFs was also studied. The emission enhances and blue‐shifts in case of non‐polar solvents and vice versa in the polar solvents, implying the environmental sensitivity of these fluorophores. Photostability test was also done to test for the stability of the emission of these fluorophores with time and the fluorophores were found to be stable. We also observed time‐dependent fluorescence enhancement of one of our SBFs in presence of reactive biogenic amines. Overall, the generation of these novel molecules opens up new opportunities towards bioconjugated fluorophores.
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