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Highly selective fluoride ion detection based on a fluorescent alizarin–o-aminomethylphenylboronic acid ensemble in aqueous MeOH solution


Reference:

Kubo, Y., Ishida, T., Minami, T. and James, T. D., 2006. Highly selective fluoride ion detection based on a fluorescent alizarin–o-aminomethylphenylboronic acid ensemble in aqueous MeOH solution. Chemistry Letters, 35 (9), p. 996.

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Official URL:

http://dx.doi.org/10.1246/cl.2006.996

Abstract

A self-organized fluorescent sensor consisting of alizarin and o-aminomethylphenylboronic acid 1 is presented, the ensemble shows highly selective fluoride ion-response in H2O-MeOH (1:4 w/w) at pH 5.5. Compound 1 (pK(a) = 5.63) at pH5.5 in the solution follows the equilibrium: alizarin-1 + H+ reversible arrow 1H(+) + alizarin. Thus, F- added into the solution preferably binds to 1H(+) to allow the ensemble to release alizarin, resulting in a fluorescence quenching.

Details

Item Type Articles
CreatorsKubo, Y., Ishida, T., Minami, T. and James, T. D.
DOI10.1246/cl.2006.996
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code24590

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