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A selective indole based chemosensor for fluoride ion detection

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Title A selective indole based chemosensor for fluoride ion detection
 
Creator Rahaman, Fazlur
Mondal, Subrata
G Y, Nagesh
Gautam, A
Gautam, Prabhat
Gupta, Priti
 
Subject Chemosensor
Colorimetric sensor
Fluoride detection
Indole
Schiff base condensation
 
Description 642-646
The selective detection of anions via chemosensors have recently emerged as an important area of research due to their
vital role in biological, chemical and environmental sciences. An efficient indole based chemosensor C1 exhibiting selective
detection of fluoride ions has been synthesized by condensation reaction of substituted indole derived Carbohydrazide 1
with substituted ethenone 2 and characterized by 1H NMR and 13C NMR spectroscopy. Chemosensor shows notable
colorimetric changes from light yellow to greenish yellow, upon addition of fluoride ions. The absorption studies shows red
shift in the absorption spectra upon titration with fluoride ions. The receptor–anion interaction occurs through hydrogen
bonding followed by deprotonation of –OH proton. Chemosensor shows 2:1 stoichiometry as calculated from the Job’s plot.
 
Date 2024-07-03T06:39:04Z
2024-07-03T06:39:04Z
2024-07
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscpr.res.in/handle/123456789/64153
https://doi.org/10.56042/ijct.v31i4. 9144
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJCT Vol.31(4) [July 2024]