Issue 9, 2005
From the journal:

Organic & Biomolecular Chemistry

Visual sensing of Ca2+ ion via photoreaction of fluorenyl ester-armed cyclen

Tomoko N. Player,a   Satoshi Shinodaa  and  Hiroshi Tsukube*a  

* Corresponding authors

a Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka, Japan
E-mail: tsukube@sci.osaka-cu.ac.jp

Abstract

Fluorenyl ester-armed cyclen gave fluorenone and related decomposition compounds upon photoirradiation. The reaction was effectively suppressed by the formation of an octacoordinated Ca2+ complex while Na+ and other alkali/alkaline earth metal cations had little influence. Since the production efficiency of fluorescent fluorenone related well to the concentration of the Ca2+ ion, the photoreaction of this armed cyclen offered the naked-eye detection of Ca2+ ion in aqueous samples.

Graphical abstract: Visual sensing of Ca2+ ion via photoreaction of fluorenyl ester-armed cyclen

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Article information

DOI
https://doi.org/10.1039/B503611A
Article type
Communication
Submitted
10 Mar 2005
Accepted
21 Mar 2005
First published
05 Apr 2005

Org. Biomol. Chem., 2005,3, 1615-1616

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Visual sensing of Ca2+ ion via photoreaction of fluorenyl ester-armed cyclen

T. N. Player, S. Shinoda and H. Tsukube, Org. Biomol. Chem., 2005, 3, 1615 DOI: 10.1039/B503611A

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