Issue 10, 2009

Indole-azadiene conjugate as a colorimetric and fluorometric probe for selective fluoride ion sensing

Abstract

An indole-azadiene conjugate (1), synthesized by facile one-step condensation, behaves as a highly selective probe for detection of fluoride ion both in colorimetric and fluorometric analyses. The probe 1 shows F-selective color change from colorless to yellow and appearance of green fluorescence. 1H NMR analysis and ab initio calculation reveal that the F-induced colorimetric and fluorometric responses of 1 are simply driven by hydrogen bonding interaction between the indolic NH protons and F.

Graphical abstract: Indole-azadiene conjugate as a colorimetric and fluorometric probe for selective fluoride ion sensing

Supplementary files

Article information

Article type
Paper
Submitted
02 Dec 2008
Accepted
25 Feb 2009
First published
26 Mar 2009

Org. Biomol. Chem., 2009,7, 2072-2076

Indole-azadiene conjugate as a colorimetric and fluorometric probe for selective fluoride ion sensing

Y. Shiraishi, H. Maehara and T. Hirai, Org. Biomol. Chem., 2009, 7, 2072 DOI: 10.1039/B821466B

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