Issue 63, 2015
From the journal:

Chemical Communications

Unique binding behaviour of water-soluble polycationic oxacalix[4]arene tweezers towards the paraquat dication†‡

Nadia Manganaro,a   Gabriele Lando,a   Claudia Gargiulli,a   Ilenia Pisagatti,a   Anna Notti,a   Sebastiano Pappalardo,b   Melchiorre F. Parisia  and  Giuseppe Gattuso*a  

* Corresponding authors

a Dipartimento di Scienze Chimiche, Università di Messina, viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
E-mail: ggattuso@unime.it

b Dipartimento di Scienze Chimiche, Università di Catania, viale A. Doria 6, 95125 Catania, Italy

Abstract

The first water-soluble polycationic oxacalix[4]arene molecular tweezers able to recognize – under pH control – the paraquat dication as a result of a delicate balance between electrostatic repulsion, Coulombic shielding and attractive π-stacking interactions are reported.

Graphical abstract: Unique binding behaviour of water-soluble polycationic oxacalix[4]arene tweezers towards the paraquat dication

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Article information

DOI
https://doi.org/10.1039/C5CC04079E
Article type
Communication
Submitted
17 May 2015
Accepted
16 Jun 2015
First published
17 Jun 2015

Chem. Commun., 2015,51, 12657-12660

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Unique binding behaviour of water-soluble polycationic oxacalix[4]arene tweezers towards the paraquat dication

N. Manganaro, G. Lando, C. Gargiulli, I. Pisagatti, A. Notti, S. Pappalardo, M. F. Parisi and G. Gattuso, Chem. Commun., 2015, 51, 12657 DOI: 10.1039/C5CC04079E

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