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Quinlan, E., Matthews, S. E. 
ORCID: https://orcid.org/0000-0001-8821-0851 and Gunnlaugsson, T.
(2006)
Anion sensing using colorimetric amidourea based receptors incorporated into a 1,3-disubstituted calix[4]arene.
Tetrahedron Letters, 47 (52).
pp. 9333-9338.
ISSN 0040-4039
Abstract
The synthesis of amidourea-based colorimetric anion sensors I and 2 and the evaluation of these sensors using anions such as acetate (CH3CO2-), fluoride (F-), hydrogen phosphate (H2PO4-) and hydrogenpyrophosphate (pyr) in DMSO is described. While I has a single amidourea moiety, 2 has two such receptors incorporated into a lower-rim 1,3-disubstituted calix[4]arene scaffold. Whilst both sensors gave rise to red shifts in their absorption spectra upon anion recognition, the sensing of F- and pyr gave rise to large changes with concomitant colour changes from yellow to purple, which were visible to the naked eye. (c) 2006 Published by Elsevier Ltd.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Pharmacy |
| Depositing User: | Rachel Smith |
| Date Deposited: | 26 May 2011 10:38 |
| Last Modified: | 24 Oct 2022 01:59 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/31452 |
| DOI: | 10.1016/j.tetlet.2006.10.112 |
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