Abstract
Exploiting click reaction as the key step, azo-coupled macrocyclic colorimetric chemosensors 4a and 4c were synthesized for metal ion sensing. Among metal ions examined, only Hg2+ can induce color change from orange to pale yellow detectable by the naked-eye for both sensors. The bind mode of the complex was established by spectrophotometric and NMR titrations.
Keywords: Click reaction, colorimetric sensors, Hg2+ detection, macrocyclic chromoionophores, naked-eye detection, chromogenic receptors, aza-macrocyclic system, p-nitroaniline, N, N-di-2-propynyl aniline, acetonitrile, UV-vis spectrophotometry, colorimetric chemosensors, hypsochromic shift, NMR, NNNO tetradentate ligand
Letters in Organic Chemistry
Title: An Easy Assembled, Click-Generated Macrocyclic Chromoionophores as Mercury(II) Sensors
Volume: 7 Issue: 7
Author(s): Yun-Guo Lu, Zao-Ying Li, Albert W.M. Lee and Wing-Hong Chan
Affiliation:
Keywords: Click reaction, colorimetric sensors, Hg2+ detection, macrocyclic chromoionophores, naked-eye detection, chromogenic receptors, aza-macrocyclic system, p-nitroaniline, N, N-di-2-propynyl aniline, acetonitrile, UV-vis spectrophotometry, colorimetric chemosensors, hypsochromic shift, NMR, NNNO tetradentate ligand
Abstract: Exploiting click reaction as the key step, azo-coupled macrocyclic colorimetric chemosensors 4a and 4c were synthesized for metal ion sensing. Among metal ions examined, only Hg2+ can induce color change from orange to pale yellow detectable by the naked-eye for both sensors. The bind mode of the complex was established by spectrophotometric and NMR titrations.
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Cite this article as:
Lu Yun-Guo, Li Zao-Ying, W.M. Lee Albert and Chan Wing-Hong, An Easy Assembled, Click-Generated Macrocyclic Chromoionophores as Mercury(II) Sensors, Letters in Organic Chemistry 2010; 7 (7) . https://dx.doi.org/10.2174/157017810793362307
DOI https://dx.doi.org/10.2174/157017810793362307 |
Print ISSN 1570-1786 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6255 |
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