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. 2022 Dec 1;15(3):413–423. doi: 10.1038/s41557-022-01094-w

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© The Author(s) 2022, corrected publication 2023

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Fig. 6 — a, Reactions of various dialdehydes with TBTQ triamine 1, giving cages (left side) or catenated cages (right side). ^aYields are given for optimized reactions. b, Summary of interactions resulting in catenane formation or their exclusion. c, Possible conformational arrangement of the two interlocked cages with spatial arrangement of methoxy groups interacting via weak dipole–dipole forces (green dotted lines). d, Gibbs enthalpy for catenation events determined by NMR spectroscopy.