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Citation:
He Wen Wang, Ya Qing Feng, Jin Qiang Xue, Chan Xiao. Synthesis and properties of novel calix[4]arene derivatives bearing fluorogenic coumarin units[J]. Chinese Chemical Letters,
;2008, 19(8): 901-903.
doi:
10.1016/j.cclet.2008.05.035
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Four novel calix[4]arene derivatives 5-8 bearing four fluorogenic coumarin units attached via imino group acting also as binding sites at the upper rim have been prepared and characterized by IR, 1H NMR and MS.Compounds 5-8 adopt a cone conformation.Their complexation properties to different heavy and transition metal ions have been studied by UV-vis spectroscopy.Compounds 5, 6, 8 show selective recognition to Fe3+ and Cr3+.
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Keywords:
- Calixarenes,
- Coumarin,
- Imino,
- Complexation
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