Interwoven supramolecular structures are often held up as examples of beauty in chemistry, but these assemblies can be fragile depending on the environments they are exposed to. Post-assembly covalent modification can, however, trap them in robust molecular form, and a triply entwined [2]catenane is one of the most sophisticated examples so far.
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Clever, G. Star-crossed self-assembly. Nature Chem 6, 950–952 (2014). https://doi.org/10.1038/nchem.2065
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DOI: https://doi.org/10.1038/nchem.2065
