Issue 3, 2009
From the journal:

New Journal of Chemistry

Anion recognition by diureido-calix[4]arenes in the 1,3-alternate conformation†

Petra Cuřínová,ab   Ivan Stibor,*a   Jan Budka,a   Jan Sýkora,b   Kamil Langc  and  Pavel Lhoták*a  

* Corresponding authors

a Department of Organic Chemistry, Institute of Chemical Technology, Technicka 5, Prague 6, Czech Republic
E-mail: Ivan.Stibor@vscht.cz; Pavel.Lhotak@vscht.cz
Fax: +420-220444280
Tel: +420-220444288

b Institute of Chemical Process Fundamentals, v.v.i., Academy of Sciences of the Czech Republic, Rozvojová 135, Prague 6, Czech Republic

c Institute of Inorganic Chemistry, v.v.i, Academy of Sciences of the Czech Republic, Řež, Czech Republic

Abstract

A series of diureido-calix[4]arenes immobilised in the 1,3-alternate conformation was synthesised and systematically studied for their complexation ability. As revealed by 1H NMR and UV/vis titrations, this structural motif leads to very efficient ligands for anion recognition with high binding constants in nonpolar solvents. The comparison with the corresponding ligands possessing the cone conformation indicates that diureido-calix[4]arene in a 1,3-alternate conformation are very promising anion receptors with pronounced binding ability towards carboxylates.

Graphical abstract: Anion recognition by diureido-calix[4]arenes in the 1,3-alternate conformation

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Article information

DOI
https://doi.org/10.1039/B816790G
Article type
Paper
Submitted
25 Sep 2008
Accepted
20 Nov 2008
First published
15 Jan 2009

New J. Chem., 2009,33, 612-619

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Anion recognition by diureido-calix[4]arenes in the 1,3-alternate conformation

P. Cuřínová, I. Stibor, J. Budka, J. Sýkora, K. Lang and P. Lhoták, New J. Chem., 2009, 33, 612 DOI: 10.1039/B816790G

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