Issue 84, 2021

Covalently bridged pillararene-based oligomers: from construction to applications

Abstract

Covalently bridged pillararene-based oligomers (CBPOs) are formed by covalent bonding of pillararene monomers, and they play a critical role in expanding the multi-disciplinary application of pillararenes due to their excellent molecular complexing ability, specially designed geometry and multifunctional linking groups. This article provides a comprehensive review of the synthesis and applications of CBPOs. The design and synthetic strategies of a series of CBPOs (dimers, trimers, tetramers and others) are first introduced. Many CBPOs with multi-cavities and unique geometry are very attractive and efficient building blocks for constructing novel smart supramolecular polymers (SPs) with different topological structures through host–guest interactions. We describe the methods of constructing various SPs based on CBPOs in detail. Furthermore, the extensive applications of CBPOs and CBPO-based SPs in recognition and detection of ions and organic small molecules, selective adsorption and separation, artificial light-harvesting systems, catalysis, drug delivery systems, and others are systematically introduced. Finally, the future challenges and perspectives for CBPOs are also highlighted.

Graphical abstract: Covalently bridged pillararene-based oligomers: from construction to applications

Article information

Article type
Feature Article
Submitted
17 Aug. 2021
Accepted
09 Sept. 2021
First published
09 Sept. 2021

Chem. Commun., 2021,57, 10983-10997

Covalently bridged pillararene-based oligomers: from construction to applications

S. Chao, Z. Shen, Y. Pei and Z. Pei, Chem. Commun., 2021, 57, 10983 DOI: 10.1039/D1CC04547D

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