Cation Binding Properties by Ammonium Glycolic and Pyridinium Amido Calix[4]Arenes

Amel Ben Othman; Lassaad Baklouti; Rym Abidi; Jacques Vicens

doi:10.2174/157017807781212094

Abstract

We report the binding properties of ammonium glycolic and pyridinium amido calix[4]arenes towards alkali cations. UV spectrophotometry titrations have been carried out in methanol and acetonitrile. In one case the presence of the anions improves the complexation compared to the neutral homologues.

Keywords: Calixarenes, ammonium, pyridinium, binding properties

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Letters in Organic Chemistry

Title: Cation Binding Properties by Ammonium Glycolic and Pyridinium Amido Calix[4]Arenes

Volume: 4 Issue: 5

Author(s): Amel Ben Othman, Lassaad Baklouti, Rym Abidi and Jacques Vicens

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Keywords: Calixarenes, ammonium, pyridinium, binding properties

Abstract: We report the binding properties of ammonium glycolic and pyridinium amido calix[4]arenes towards alkali cations. UV spectrophotometry titrations have been carried out in methanol and acetonitrile. In one case the presence of the anions improves the complexation compared to the neutral homologues.

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Amel Ben Othman , Lassaad Baklouti , Rym Abidi and Jacques Vicens , Cation Binding Properties by Ammonium Glycolic and Pyridinium Amido Calix[4]Arenes, Letters in Organic Chemistry 2007; 4 (5) . https://dx.doi.org/10.2174/157017807781212094