Benzobisoxazole fluorophore vicariously senses amines, ureas, anions

A benzobisoxazole-based cruciform fluorophore forms fluorescent complexes with simple boronic acids. Through the changes of their fluorescence emission colours, these complexes can sense and qualitatively distinguish among structurally similar organic nitrogen compounds (amines and ureas) and small...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2012-10, Vol.48 (83), p.10301-10303
Main Authors: Lim, Jaebum, Miljanić, Ognjen Š
Format: Article
Language:English
Subjects:
Amines
Amines - analysis
Anions
Anions - analysis
Boronic Acids - chemistry
Chlorides
Chlorides - analysis
Color
Colour
Emission
Fluorescence
Fluorescent Dyes - chemical synthesis
Fluorescent Dyes - chemistry
Molecular Structure
Nitrogen compounds
Oxazoles - chemical synthesis
Oxazoles - chemistry
Urea - analysis
Ureas
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Summary:A benzobisoxazole-based cruciform fluorophore forms fluorescent complexes with simple boronic acids. Through the changes of their fluorescence emission colours, these complexes can sense and qualitatively distinguish among structurally similar organic nitrogen compounds (amines and ureas) and small organic and inorganic anions. Preliminary results suggest that the intensity of this hybrid sensor's fluorescent response to chloride anions can be quantitatively correlated to chloride concentration.
ISSN:1359-7345
1364-548X
DOI:10.1039/c2cc35626k