Issue 89, 2015

Two-component self-assembly of a tetra-guanidiniocarbonyl pyrrole cation and Na4EDTA: formation of pH switchable supramolecular networks

Abstract

A guanidiniocarbonyl pyrrole (GCP) cation forms stable H-bond assisted ion pairs with carboxylates even in aqueous solutions. A tetra GCP cation 1 undergoes efficient two-component self-assembly with Na4EDTA, a tetra-carboxylate, leading to 3D supramolecular networks. These networks show dual pH responsiveness and reversibly dissociate back into monomers upon addition of either acid or base.

Graphical abstract: Two-component self-assembly of a tetra-guanidiniocarbonyl pyrrole cation and Na4EDTA: formation of pH switchable supramolecular networks

Supplementary files

Article information

Article type
Communication
Submitted
30 Jul 2015
Accepted
08 Sep 2015
First published
08 Sep 2015

Chem. Commun., 2015,51, 16065-16067

Author version available

Two-component self-assembly of a tetra-guanidiniocarbonyl pyrrole cation and Na4EDTA: formation of pH switchable supramolecular networks

K. Samanta and C. Schmuck, Chem. Commun., 2015, 51, 16065 DOI: 10.1039/C5CC06392B

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