Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 58, Issue 18, Pages 5882-5886Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201900556
Keywords
half-sandwich iridium complexes; metalla[2]catenanes; self-assembly; supramolecular chemistry; topology control
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Funding
- National Science Foundation of China [21531002, 21720102004]
- Shanghai Science Technology Committee [13JC1400600]
- Alexander von Humboldt Foundation
- DFG [IRTG 2027, SFB 858]
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A series of molecular metalla[2]catenanes featuring Cp*Ir vertices have been prepared by the template-free, coordination-driven self-assembly of dinuclear iridium acceptors and 1,5-bis[2-(4-pyridyl)ethynyl]anthracene donors. The metalla[2]catenanes were formed by using a strategically selected linker type that is capable of participating in sandwich-type - stacking interactions. In the solid state, the [2]catenanes adopt two different configurations depending on the halogen atoms at the dinuclear metal complex bridge. Altering the solvent or the concentration, as well as the addition of guest molecules, enabled controlled transformations between metalla[2]catenanes and tetranuclear metallarectangles.
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