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

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).

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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

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Identifiers

Local EPrints ID: 15732

URI: http://eprints.soton.ac.uk/id/eprint/15732

DOI: doi:10.1039/a905743i

ISSN: 1359-7345

PURE UUID: 02f57df7-87a2-49e8-b25f-4f0731133674

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Date deposited: 24 May 2005

Last modified: 15 Mar 2024 05:42

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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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