J Fluoresc
1
1
1
4. Hu H, Chen C (2006) A new fluorescent chemosensor for anion
based on an artificial cyclic tetrapeptide. Tetrahedron Lett 47:175–
Conclusion
1
79
5. Lee SH, Kim HJ, Lee YO, Vicens J, Kim JS (2006) Fluoride
sensing with PCT-based calix[4]arene. Tetrahedron Lett
7:4373–4376
In summary, we designed and synthesized a highly sensitive
Schiff-based receptor 1 for selective detection of F . Upon
complexation with F , the solution of receptor 1 exhibited an
obvious color change from colorless to yellow by naked-eye
−
a
−
4
6. Xu S, Chen KC, Tian HJ (2005) A colorimetric and fluorescent
chemodosimeter: fluoride ion sensing by an axial-substituted
subphthalocyanine. Mater Chem: 2676–2680
detection. In addition, the addition of Ca(NO ) quenches the
3
2
−
fluorescence of receptor 1·F complex, indicating that re-
ceptor 1 was a reversible chemosensor. Hence, receptor 1 can
be used as a selective turn-on type colorimetric fluorescent
17. Cho EJ, Ryu BJ, Lee YJ, Nam KC (2005) Visible colorimetric
fluoride ion sensors. Org Lett 7:2607–2609
1
8. Jose DA, Kumar DK, Ganguly B, Das A (2004) Efficient and
simple colorimetric fluoride ion sensor based on receptors having
urea and thiourea binding sites. Org Lett 6:3445–3448
−
sensor for detecting F in drinking water without any spec-
troscopic instrumentation.
19. Chetia B, Iyer PK (2008) 2,6-Bis(2-benzimidazolyl)pyridine as a
chemosensor for fluoride ions. Tetrahedron Lett 49:94–97
2
0. Cho EJ, Moon JW, Ko SW, Lee JY, Kim SK, Yoon J, Nam KCJ
2003) A New fluoride selective fluorescent as well as chromogenic
chemosensor containing a naphthalene urea derivative. Am Chem
Soc 125:12376–12377
Acknowledgments We thank the National Science Council of Taiwan
for financial support.
(
2
2
1. Xu GX, Tarr MA (2004) A novel fluoride sensor based on fluores-
cence enhancement. Chem Commun: 1050–1051
2. Curiel D, Cowley A, Beer PD (2005) Indolocarbazoles: a new
family of anion sensors. Chem Commun: 236–238
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