Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 36, Issue 2, Pages 106-111Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201700590
Keywords
Borromean rings; metallarectangles; self-assembly; supramolecular chemistry; density functional calculations
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Funding
- National Natural Science Foundation of China [21531002, 21720102004]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT-15R12]
- Shanghai Science Technology Committee [13JC1400600]
- China Postdoctoral Science Foundation [2015M581517]
- Alexander von Humboldt Foundation
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A series of Cp*Rh-based molecular Borromean rings (BRs) are prepared from naphthazarine or metallaligand. Some of as-synthesized BRs display high stability and are formed in high yields in solution. The reason is related to the length ratio of the long-arm linker and short-arm linker, where smaller aspect ratios of the metallarectangles promote improved stability and yields of the BRs in solution. Increasing the width of the metallaligand or pyridyl ligand hinders the formation of BRs and leads to unoccupied monomeric rectangles, which were further used as catalysts for the acyl transfer reaction between N-acetylimidazole and (4-(pyridin-4-yl)phenyl) methanol.
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