Transmembrane H+/Cl− cotransport activity of bis(amido)imidazole receptors

Literature Information

Publication Date 2019-04-01
DOI 10.1039/C9OB00554D
Impact Factor 3.876
Authors

Sopan Valiba Shinde, Pinaki Talukdar


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Abstract

A series of sickle-shaped bis(amido) imidazoles are synthesized for their ion transport studies. Proton–anion binding by the neutral and protonated form of receptors assessed by 1H-NMR titration experiments confirmed better chloride binding by the protonated form of a receptor compared to its neutral form. The transport experiments across unimolecular vesicles (by HPTS and lucigenin assays) confirmed the H+/Cl− symport process under the applied pH gradient conditions. The transporter also allows anion antiport as evident from the studies under symmetrical pH conditions. The ionophoric activity by the mobile carrier mechanism is proved by the U-tube experiment.

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DOI: 10.1039/C7CP90001E

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Organic & Biomolecular Chemistry

Organic & Biomolecular Chemistry
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