Study by fluorescence of calix[4]arenes bearing heterocycles with divalent metals: highly selective detection of Pb2+
✍ Scribed by Quiroga-Campano, Cinthia; Gómez-Machuca, Horacio; Jullian, Carolina; De la Fuente, Julio; Pessoa-Mahana, Hernán; Saitz, Claudio
- Book ID
- 120483813
- Publisher
- Springer Netherlands
- Year
- 2013
- Tongue
- English
- Weight
- 681 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0923-0750
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A novel fluorescent chemosensor 1 with two anthraceneisoxazolymethyl groups at the lower rim of calix[4]arene has been synthesized, which revealed a dual emission (monomer and excimer) when excited at 375 nm. This chemosensor displayed a selective fluorescence quenching only with Cu 2+ ion over all
A series of lower rim 1,3-di-derivatives possessing Schiff's base cores were synthesized using triazole unit as linker moiety by further introducing butyl (L 2 ), one -CH 2 OH (L 3 ) and two -CH 2 OH (L 4 )-containing moieties, respectively, in order to bring additional support for ion binding. Base