Cucurbit[8]uril‐Mediated Supramolecular Heterodimerisation and Photoinduced [2+2] Heterocycloaddition to Generate Unexpected [2]Rotaxanes

In contrast to the self‐assembly of homosupramolecules, the self‐assembly of heterosupramolecules is more challenging and significant in various fields. Herein, we design and investigate a cucurbit[8]uril‐mediated heterodimerisation based on an arene‐fluoroarene strategy. Furthermore, the heterotern...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2024-09, Vol.63 (39), p.e202410130-n/a
Main Authors: Zhang, Shu, Zhang, Liyan, Chen, Aocheng, An, Yi, Chen, Xu‐Man, Yang, Hong, Li, Quan
Format: Article
Language:English
Subjects:
Cucurbituril
Mechanically Interlocked Molecule
Photoinduced [2+2] Heterocycloaddition
Photoisomerization
Supramolecular Heterodimerization
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Summary:In contrast to the self‐assembly of homosupramolecules, the self‐assembly of heterosupramolecules is more challenging and significant in various fields. Herein, we design and investigate a cucurbit[8]uril‐mediated heterodimerisation based on an arene‐fluoroarene strategy. Furthermore, the heteroternary complex is found to be able to undergo a photoinduced [2+2] heterocycloaddition, resulting in the formation of an unexpected [2]rotaxane. This work demonstrates a novel supramolecular heterodimerisation system that not only contributes to the development of photoisomerisation systems, but also enriches synthetic methods for mechanically interlocked molecules. An arene‐fluoroarene strategy has been used to affect a simple cucurbit[8]uril‐mediated supramolecular heterodimerisation. A further photoinduced [2+2] heterocycloaddition leads to the formation of an unexpected [2]rotaxane.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202410130