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Issue 16, 2011
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High Na+ and K+-induced fluorescence enhancement of a π-conjugated phenylaza-18-crown-6-triazol-substituted coumarin fluoroionophore

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Abstract

The new π-conjugated 1,2,3-triazol-1,4-diyl fluoroionophore 1 generated viaCu(I) catalyzed [3 + 2] cycloaddition shows high fluorescence enhancement factors (FEF) in the presence of Na+ (FEF = 58) and K+ (FEF = 27) in MeCN and high selectivity towards K+ under simulated physiological conditions (160 mM K+ or Na+, respectively) with a FEF of 2.5 for K+.

Graphical abstract: High Na+ and K+-induced fluorescence enhancement of a π-conjugated phenylaza-18-crown-6-triazol-substituted coumarin fluoroionophore

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Publication details

The article was received on 12 Oct 2010, accepted on 23 Feb 2011 and first published on 17 Mar 2011


Article type: Communication
DOI: 10.1039/C0CC04370B
Citation: Chem. Commun., 2011,47, 4685-4687
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    High Na+ and K+-induced fluorescence enhancement of a π-conjugated phenylaza-18-crown-6-triazol-substituted coumarin fluoroionophore

    S. Ast, H. Müller, R. Flehr, T. Klamroth, B. Walz and H. Holdt, Chem. Commun., 2011, 47, 4685
    DOI: 10.1039/C0CC04370B

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