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Issue 12, 2019
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Selective binding of (thio)sulfate and phosphate in water by quaternary ammonium functionalized oligo-ureas

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Abstract

Recognition of (thio)sulfate and phosphate in aqueous solutions has been demonstrated by using oligo-urea-based receptors functionalized with quaternary ammonium groups. The ammonium groups allow for increased aqueous solubility while simultaneously providing positive coulombic interactions and stronger hydrogen bonding through an inductive effect. This simple and generally applicable modification provides an effective way to bolster the anion binding and water solubility of oligo-urea-based receptors. With a water soluble receptor 2, selective binding of adenosine phosphates was achieved at physiological pH.

Graphical abstract: Selective binding of (thio)sulfate and phosphate in water by quaternary ammonium functionalized oligo-ureas

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Supplementary files

Article information


Submitted
01 Dec 2018
Accepted
14 Jan 2019
First published
14 Jan 2019

Chem. Commun., 2019,55, 1714-1717
Article type
Communication
Author version available

Selective binding of (thio)sulfate and phosphate in water by quaternary ammonium functionalized oligo-ureas

Z. Huang, C. Jia, B. Wu, S. Jansone-Popova, C. A. Seipp and R. Custelcean, Chem. Commun., 2019, 55, 1714
DOI: 10.1039/C8CC09550G

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