Pyridino-18-crown-6 ether type chemosensors containing a benzothiazole fluorophore unit: Synthesis and enantiomeric recognition studies |
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Authors: | Dávid Pál Ildikó Móczár Balázs Szemenyei Dániel Marczona Ivett Kocsis Gergely Prikler Panna Vezse Péter Baranyai Péter Huszthy |
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Institution: | 1. Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, PO Box 91, H-1521, Budapest, Hungary;2. Department of Applied and Nonlinear Optics, Institute of Solid State Physics and Optics, Wigner Research Center for Physics, Hungarian Academy of Sciences, PO Box 49, H-1525, Budapest, Hungary |
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Abstract: | Three new fluorescent enantiopure pyridino-18-crown-6 ethers containing a benzothiazole unit were prepared, and the enantiomeric discrimination of these sensor molecules toward the hydrogen perchlorate salts of 1-phenylethylamine, 1-(1-naphthyl)ethylamine, phenylglycine methyl ester and phenylalanine methyl ester was studied in acetonitrile by fluorescence spectroscopy. The ligands revealed appreciable or moderate selectivity toward the enantiomers of hydrogen perchlorate salts of 1-phenylethylamine, 1-(1-naphthyl)ethylamine and phenylglycine methyl ester. |
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Keywords: | Pyridino-crown ether Complexation Enantiomeric recognition Benzothiazole Fluorescent sensor molecule |
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