A new calix[4]azacrown ether based boradiazaindacene (Bodipy): Selective fluorescence changes towards trivalent lanthanide ions
Source abstract
Abstract
Abstract We report on the synthesis and photophysical properties of a new calix[4]azacrown derivative, capped with two amide bridges, in the cone conformation bearing two boradiazaindacene (Bodipy) groups at the narrow rim. Its binding properties towards trivalent lanthanide ions such as La 3+ , Gd 3+ , Tb 3+ , Dy 3+ , Er 3+ and Yb 3+ were investigated by using spectroscopic techniques. With respect to fluorescence intensity changes upon trivalent lanthanide ion complexation, calix[4]azacrown ether based Bodipy showed higher selectivity towards Yb 3+ ion over other ions. Presence of proximal two amide groups in calix[4]azacrown ether based Bodipy were observed to play an important role in exhibiting its lanthanide ion binding.
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Research context
OpenAlex topics: Molecular Sensors and Ion Detection · Supramolecular Chemistry and Complexes · Luminescence and Fluorescent Materials
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