Issue 21, 2018
From the journal:

Chemical Communications

Enhanced chiral recognition by γ-cyclodextrin–cucurbit[6]uril-cowheeled [4]pseudorotaxanes†

Ling Dai,‡a   Wanhua Wu,‡a   Wenting Liang,b   Wentong Chen,c   Xingke Yu,a   Jiecheng Ji,a   Chao Xiaoa  and  Cheng Yang ORCID logo *a  

* Corresponding authors

a Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, State Key Laboratory of Biotherapy, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
E-mail: yangchengyc@scu.edu.cn

b Institute of Environmental Sciences, Department of Chemistry, Shanxi University, Taiyuan 030006, China

c School of Chemistry and Chemical Engineering, Jinggangshan University, Ji'an, China

Abstract

Mixing γ-cyclodextrin (γ-CD), cucurbit[6]uril (CB[6]) and tetraammonium-bearing axles together led to a spontaneous formation of γ-CD–CB[6]-cowheeled [4]pseudorotaxanes. The well-defined unsymmetrical cavities thus formed enhance the binding affinity towards chiral amines by factors of several hundreds and show remarkably improved chiral discrimination.

Graphical abstract: Enhanced chiral recognition by γ-cyclodextrin–cucurbit[6]uril-cowheeled [4]pseudorotaxanes

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Article information

DOI
https://doi.org/10.1039/C8CC00840J
Article type
Communication
Submitted
31 Jan 2018
Accepted
15 Feb 2018
First published
16 Feb 2018

Chem. Commun., 2018,54, 2643-2646

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Enhanced chiral recognition by γ-cyclodextrin–cucurbit[6]uril-cowheeled [4]pseudorotaxanes

L. Dai, W. Wu, W. Liang, W. Chen, X. Yu, J. Ji, C. Xiao and C. Yang, Chem. Commun., 2018, 54, 2643 DOI: 10.1039/C8CC00840J

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