Discrete 1 : 1 complexes and higher order assemblies formed from aminobenzene sulphonate anions and a tetraimidazolium “molecular box”

Cai-Ling Wang; Li Zhou; Lei Zhang; Jun-Feng Xiang; Brett M. Rambo; Jonathan L. Sessler; Han-Yuan Gong

doi:10.1039/C7CC01114H

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Discrete 1 : 1 complexes and higher order assemblies formed from aminobenzene sulphonate anions and a tetraimidazolium “molecular box”†‡

Cai-Ling Wang,^a Li Zhou,^a Lei Zhang,^b Jun-Feng Xiang,^cd Brett M. Rambo,^e Jonathan L. Sessler

*^ef and Han-Yuan Gong*^a

Author affiliations

* Corresponding authors

^a College of Chemistry, Beijing Normal University, Xinjiekouwaidajie 19, Beijing, P. R. China
E-mail: hanyuangong@bnu.edu.cn

^b Inspection and Quarantine Technical Center of Chongqing Entry-Exit Inspection and Quarantine Bureau, Honghuang Road 8, Jiangbei District, Chongqing, P. R. China

^c Institute of Chemistry, Chinese Academy of Sciences, Zhongguanchunbeiyijie 2, Beijing, P. R. China

^d University of Chinese Academy of Sciences, Beijing 100049, P. R. China

^e Department of Chemistry, The University of Texas at Austin, 105 E. 24th Street – Stop A5300, Austin, Texas, USA

^f Center for Supramolecular Chemistry and Catalysis, Shanghai University, Shanghai, P. R. China
E-mail: sessler@cm.utexas.edu

Abstract

Use of isomeric aminobenzene sulphonate anions in conjunction with a tetraimidazolium “molecular box” leads to self-assembled embedded structures. Simple 1 : 1 complexes are formed at low concentrations in DMSO when the host : guest ratio is 1.0. Higher order species are seen as the concentration is increased or the host–guest ratio is perturbed. The assembly and disassembly of the supramolecular aggregates can be controlled by application of various external stimuli, including changes in concentration, temperature, and protonation state of the guest species.

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Article information

DOI: https://doi.org/10.1039/C7CC01114H
Article type: Communication
Submitted: 12 Feb 2017
Accepted: 06 Mar 2017
First published: 06 Mar 2017

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Chem. Commun., 2017,53, 3669-3672

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Discrete 1 : 1 complexes and higher order assemblies formed from aminobenzene sulphonate anions and a tetraimidazolium “molecular box”

C. Wang, L. Zhou, L. Zhang, J. Xiang, B. M. Rambo, J. L. Sessler and H. Gong, Chem. Commun., 2017, 53, 3669 DOI: 10.1039/C7CC01114H

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