Issue 15, 2021

Crown ether–pillararene hybrid macrocyclic systems

Abstract

A combination of Nobel macrocycle—crown ether and star macrocycle—pillararenes together in organic synthesis and material science is significant in obtaining hybrid systems, with rigid/flexible structural architecture, induced planar chirality, a negative cooperative effect and multiple fused cyclic hosts. In this review, we will discuss the synthesis/preparation of crown ether–pillararene hybrid macrocyclic systems by covalent bonds, supramolecular interactions and mechanical bonds, leading to hybrid compounds, supramolecular assemblies and mechanically interlocked molecules. The practical applications of crown ether-containing pillararenes will also be discussed in diverse areas, such as molecular recognition via fused multiple macrocycles and ion channels as well as external stimuli-responsive smart materials. We also call the attention of related researchers towards academic and technical issues about topological structures and applied functions in this fresh new fused macrocyclic field.

Graphical abstract: Crown ether–pillararene hybrid macrocyclic systems

Article information

Article type
Review Article
Submitted
04 Feb 2021
Accepted
08 Mac 2021
First published
08 Mac 2021

Org. Biomol. Chem., 2021,19, 3287-3302

Crown ether–pillararene hybrid macrocyclic systems

Z. Liu, H. Zhang and J. Han, Org. Biomol. Chem., 2021, 19, 3287 DOI: 10.1039/D1OB00222H

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