期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 25, 期 41, 页码 9721-9727出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201901728
关键词
ligand effects; N ligands; rhodium; self-assembly; trefoil knots
资金
- National Science Foundation of China [21531002, 21720102004, 21801045]
- Shanghai Science and Technology Committee [13JC1400600]
- Alexander vonHumboldt Foundation
Four flexible ligands with different lengths, degrees of flexibility, and steric bulk were synthesized and used to prepare metal-directed assemblies. Interestingly, minor differences among the ligands led to products with dramatically different topologies: a binuclear D-shaped macrocycle, tetranuclear rectangles, and hexanuclear trefoil knots. The interconversion of the trefoil-shaped complexes was also investigated. This contribution introduces a rare ligand-controlled trefoil-rectangle shape transformation in solution.
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