Three novel supramolecular organic frameworks (SOFs) were constructed from cucurbit[n]uril-based [2]pseudorotaxanes by orthogonal and/or parallel π–π interactions between 4,4′-bipyridin-1-ium units. In the crystal structure, [2]pseudorotaxane (CB[6]·1) formed an interwoven Chinese knot-like framework with high thermal stability.
![Graphical abstract: Supramolecular organic frameworks of cucurbit[n]uril-based [2]pseudorotaxanes in the crystalline state](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C6CE01320A&imageInfo.ImageIdentifier.Year=2016)
J. Li, Y. Zhao, Y. Dong, Y. Yu, L. Cao and B. Wu, CrystEngComm, 2016, 18, 7929 DOI: 10.1039/C6CE01320A
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