Interlocking macrocyclic carbon nanomaterials is an exciting way to tune their molecular properties, but all-conjugated catenanes and rotaxanes are extremely challenging to make. Now, fully π-conjugated - and catenanes as well as a rotaxane have been prepared through an ‘active metal template’ approach.
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Das, S., Schaufelberger, F. Interlocked structures on active duty. Nat. Chem. 15, 160–162 (2023). https://doi.org/10.1038/s41557-022-01130-9