Omorodion, Harrison, Palenzuela, Miguel, Ruether, Manuel, Twamley, Brendan, Platts, James  ORCID: https://orcid.org/0000-0002-1008-6595 and Baker, Robert J.
2017.
A rationally designed perfluorinated host for the extraction of PFOA from water utilising non-covalent interactions.
New Journal of Chemistry
42
, pp. 7956-7968.
10.1039/C7NJ03026F
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Abstract
Perfluorooctanoic acid (PFOA) is a persistent organic pollutant and widespread in the environment. Three hosts have been synthesized based upon the formation of a fluorous cavity and hydrogen bonding receptors with the aim of extracting PFOA from water into organic solvents. The hosts based upon a calix[4]arene functionalized at the lower rim with amide groups and fluorous ponytails are effective for the quantitative removal of PFOA. Modification to a partial cone or a trisaminoamine framework reduces the conformational rigidity and lowers the extraction efficiency. A comprehensive NMR spectroscopic analysis both in solution and the solid state, along with other characterization techniques, has elucidated the stoichiometry of the host:guest species and the binding constants have been measured. A computational study has given further insight into the binding modes and corroborated the spectroscopic measurements.
| Item Type: | Article |
|---|---|
| Date Type: | Published Online |
| Status: | Published |
| Schools: | Schools > Chemistry Professional Services > Advanced Research Computing @ Cardiff (ARCCA) |
| Subjects: | Q Science > QD Chemistry |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 1144-0546 |
| Date of First Compliant Deposit: | 17 November 2017 |
| Date of Acceptance: | 15 November 2017 |
| Last Modified: | 25 Nov 2024 07:30 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/106686 |
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