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Efficient Self-Sorting Behaviours of Metallacages with Subtle Structural Differences
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DOI：10.1002/anie.202409878.png)
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Abstract
En 中文
Investigating the self-sorting behaviour of assemblies with subtle structural differences is a captivating yet challenging endeavour. Herein, we elucidate the unusual self-sorting behaviour of metallacages with subtle structural differences in batch reactors and microdroplets. Narcissistic self-sorting of metallacages has been observed for two ligands with identical sizes, shapes, and symmetries, with only minor differences in the substituted groups. In particular, the self-sorting process in microdroplets occurs within 1 min at room temperature, in stark contrast to batch reactors, which require equilibration for 30 min. To reveal the mechanism of self-sorting and the role of microdroplets, we conducted a series of experiments and theoretical calculations, including competitive self-assembly, cage-to-cage transformation, control experiments involving model metallacages with larger cavities, noncovalent interaction analysis, and root mean square deviation (RMSD) analysis. This research demonstrates an unusual case of self-sorting of very similar assemblies and provides a new strategy for facilitating the self-sorting efficiency of supramolecular systems.
Keywords:
Supramolecular chemistry
Self-assembly
Metallacage
Self-sorting
Microdroplet
Journal
IF:
16.9
Papers:
5.7W
Citations:
53.0W