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A colourimetric calix[4]pyrrole–4-nitrophenolate based anion sensor

A colourimetric calix[4]pyrrole–4-nitrophenolate based anion sensor
A colourimetric calix[4]pyrrole–4-nitrophenolate based anion sensor
The intense yellow colour of the 4-nitrophenolate anion 2, in acetonitrile or dichloromethane solution, dissipates upon complex formation with meso-octamethylcalix[4]pyrrole 1.
The complex may be used as a colourimetric sensor for halide anions, such as fluoride, that displace the phenolate anion thereby restoring the yellow colour, characteristic of free 4-nitrophenolate anion, to solutions containing 1, 2, and the anion in question.
anion sensor, displacement assay, calixpyrrole
1359-7345
1851-1852
Gale, Philip A.
ce0aa62f-d081-408b-8b00-6d954058afab
Twyman, Lance J.
a704cf81-d837-4c8b-8d2f-731930c42100
Handlin, Cristin I.
177f805d-43ee-46f5-b566-26c82c96c8df
Sessler, Jonathan L.
d793ea76-a3a2-4ce1-a8d5-aca7d3307fbe
Gale, Philip A.
ce0aa62f-d081-408b-8b00-6d954058afab
Twyman, Lance J.
a704cf81-d837-4c8b-8d2f-731930c42100
Handlin, Cristin I.
177f805d-43ee-46f5-b566-26c82c96c8df
Sessler, Jonathan L.
d793ea76-a3a2-4ce1-a8d5-aca7d3307fbe

Gale, Philip A., Twyman, Lance J., Handlin, Cristin I. and Sessler, Jonathan L. (1999) A colourimetric calix[4]pyrrole–4-nitrophenolate based anion sensor. Chemical Communications, (18), 1851-1852. (doi:10.1039/a905743i).

Record type: Article

Abstract

The intense yellow colour of the 4-nitrophenolate anion 2, in acetonitrile or dichloromethane solution, dissipates upon complex formation with meso-octamethylcalix[4]pyrrole 1.
The complex may be used as a colourimetric sensor for halide anions, such as fluoride, that displace the phenolate anion thereby restoring the yellow colour, characteristic of free 4-nitrophenolate anion, to solutions containing 1, 2, and the anion in question.

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Published date: 1999
Keywords: anion sensor, displacement assay, calixpyrrole

Identifiers

Local EPrints ID: 15732
URI: http://eprints.soton.ac.uk/id/eprint/15732
ISSN: 1359-7345
PURE UUID: 02f57df7-87a2-49e8-b25f-4f0731133674

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Date deposited: 24 May 2005
Last modified: 16 Dec 2019 19:26

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Contributors

Author: Philip A. Gale
Author: Lance J. Twyman
Author: Cristin I. Handlin
Author: Jonathan L. Sessler

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