Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 42, Pages 11218-11222Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201406193
Keywords
borromean rings; coordination compounds; density functional calculations; self-assembly; supramolecular chemistry
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Funding
- National Science Foundation of China [91122017, 21374019]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1117]
- Shanghai Science and Technology Committee [13JC1400600, 13DZ2275200]
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In contrast to conventional stepwise synthesis of molecular Borromean rings, a self-assembly synthetic method which proceeds without the aid of a template has been developed. In the formation of molecular rectangles, by adjustment of the long-arm length of the rectangles, a series of size-dependent Borromean-link frameworks were constructed. Both the shortest length of two arms and the relative proportion of the length of the long arm to that of the short arm play a key role in the formation of Borromean rings. DFT calculations were used to provide theoretical support for the formation of discrete interlocked frameworks.
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