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Molecules 2007, 12(5), 1191-1201; doi:10.3390/12051191

Synthesis of 5-Dialkyl(aryl)aminomethyl-8-hydroxyquinoline Dansylates as Selective Fluorescent Sensors for Fe3+

The Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
Author to whom correspondence should be addressed.
Received: 4 April 2007 / Revised: 21 May 2007 / Accepted: 29 May 2007 / Published: 31 May 2007
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A series of 5-dialkyl(aryl)aminomethyl-8-hydroxyquinoline dansylates were synthesized and their fluoroionophoric properties toward representative alkali ions, alkaline earth ions and transition metal ions were investigated. Among the selected ions, Fe3+ caused considerable quenching of the fluorescence, while Cr3+ caused quenching to some extent. The absence of any significant fluorescence quenching effects of the other ions examined, especially Fe2+, renders these compounds highly useful Fe3+-selective fluorescent sensors. View Full-Text
Keywords: Fluorescent sensor; Fe3+; fluorescence quenching Fluorescent sensor; Fe3+; fluorescence quenching

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Peng, R.; Wang, F.; Sha, Y. Synthesis of 5-Dialkyl(aryl)aminomethyl-8-hydroxyquinoline Dansylates as Selective Fluorescent Sensors for Fe3+. Molecules 2007, 12, 1191-1201.

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