Abstract
Some novel bis-(substituted-phenoxy) ended glycols were synthesised usinghydroxy aromatics of vanillin, o-vanillin, iso-vanillin and 4-hydroxy coumarin which reacted with bis-dihalides of polyglycols in the presence ofDMSO/alkali carbonate. The novel podands, Ar-(CH2CH2O)m-Ar,(m = 1–4), were identified with IR, 1H-NMR, 13C-NMR and mass spectrometry. The various (formyl-methoxy)phenyl and 4-oxycoumarin derivatives of glycols were studied to estimate the cation binding selectivity of SCN- salts ofLi+, Na+, K+ and Zn2+ cations in acetonitrile using steady statefluorescence spectroscopy. The relevant structures of podands have shown goodselectivity depending on the cation and the glycollength, although the chromophoreend groups have no specific contribution on binding.
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Tuncer, H., Erk, Ç. The Synthesis and the Cationic Fluorescence Role of Glycols with Aromatic End Groups, Part III. Journal of Inclusion Phenomena 45, 271–274 (2003). https://doi.org/10.1023/A:1024507615241
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DOI: https://doi.org/10.1023/A:1024507615241