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Issue 29, 2016
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Tris-ureas as transmembrane anion transporters

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Abstract

Nine tris-urea receptors (L1–L9) have been synthesised and shown to coordinate to a range of anionic guests both by 1H NMR titration techniques and single crystal X-ray structural analysis. The compounds have been shown to be capable of mediating the exchange of chloride and nitrate and also chloride and bicarbonate across POPC or POPC : cholesterol 7 : 3 vesicle bilayer membranes at low transporter loadings. An interesting dependency of anion transport on the nature of the cation is evidence to suggest that a M+/Cl cotransport process may also contribute to the release of chloride from the vesicles.

Graphical abstract: Tris-ureas as transmembrane anion transporters

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Publication details

The article was received on 22 May 2016, accepted on 30 Jun 2016 and first published on 01 Jul 2016


Article type: Paper
DOI: 10.1039/C6DT02046A
Dalton Trans., 2016,45, 11892-11897
  • Open access: Creative Commons BY license
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    Tris-ureas as transmembrane anion transporters

    M. Olivari, R. Montis, S. N. Berry, L. E. Karagiannidis, S. J. Coles, P. N. Horton, L. K. Mapp, P. A. Gale and C. Caltagirone, Dalton Trans., 2016, 45, 11892
    DOI: 10.1039/C6DT02046A

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