Issue 6, 2021
From the journal:

RSC Advances

Host–guest modes and supramolecular frameworks of complexes of tetramethyl cucurbit[6]uril with 4-chloroaniline and 4,4′-diaminostilbene†

Ye Meng,a   Weiwei Zhao,a   Jun Zheng,a   Daofa Jiang,a   Jie Gao,a   Yanmei Jina  and  Peihua Ma ORCID logo *a  

* Corresponding authors

a Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, People's Republic of China
E-mail: phma@gzu.edu.cn

Abstract

Since the first reportal on decamethylcucurbit[5]uril (Me10Q[5]) in 1992, substituted cucurbit[n]urils have attracted considerable research interest. In this study, the host–guest modes between the tetramethyl cucurbit[6]uril (TMeQ[6]) as a host and 4-chloroaniline and 4,4′-diaminostilbene (G1 and G2) as guests were investigated by single-crystal X-ray diffraction, NMR, ITC, UV-Vis spectrum, and MALDI-TOF mass spectrometry analyses. The experimental results showed that TMeQ[6] formed a 1 : 1 inclusion compound with G1, and the carbonyl portal of TMeQ[6] formed a 1 : 1 self-assembly with G2. Further, multi-dimensional supramolecular frameworks were formed driven by weak interaction forces in the system (hydrogen bonding, C–H⋯π interactions, ion–dipole interactions, and dipole–dipole interactions).

Graphical abstract: Host–guest modes and supramolecular frameworks of complexes of tetramethyl cucurbit[6]uril with 4-chloroaniline and 4,4′-diaminostilbene

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Article information

DOI
https://doi.org/10.1039/D0RA09074C
Article type
Paper
Submitted
24 Oct 2020
Accepted
21 Dec 2020
First published
15 Jan 2021
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2021,11, 3470-3475

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Host–guest modes and supramolecular frameworks of complexes of tetramethyl cucurbit[6]uril with 4-chloroaniline and 4,4′-diaminostilbene

Y. Meng, W. Zhao, J. Zheng, D. Jiang, J. Gao, Y. Jin and P. Ma, RSC Adv., 2021, 11, 3470 DOI: 10.1039/D0RA09074C

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