Anion-π interaction is a non-covalent interaction in host-guest chemistry.In general,aromatic π-systems are re-garded as electron rich and may have repulsive interactions with negatively charged systems.Therefore,the anion-π interac-tion,which seems counterintuitive,has attracted remarkable attention since it was first reported.And surprisingly,it has shown broad and significant potential applications in various fields,including molecular recognition,catalysis,self-assembly,aggre-gation-induced luminescent materials,and the design and synthesis of novel anionic receptors.This review focuses on the re-search progress of anion-π interactions in the fields of theoretical studies,catalysis,self-assembly,receptor design and synthe-sis,and aggregation-induced luminescence in the last decade.Finally,the research and application prospects of anion-π inter-actions in the field of supramolecular chemistry will be provided.
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