Nanoscale Borromean Rings

The molecular expression of topologically interesting structures represents a formidable challenge for synthetic chemists. The nontrivial link known as the Borromean rings has long been regarded as one of the most ambitious targets in this field. Of ancient provenance, this symbol comprises three in...

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Bibliographic Details
Published in:Accounts of chemical research 2005-01, Vol.38 (1), p.1-9
Main Authors: Cantrill, Stuart J, Chichak, Kelly S, Peters, Andrea J, Stoddart, J. Fraser
Format: Article
Language:English
Subjects:
2,2'-Dipyridyl - analogs & derivatives
2,2'-Dipyridyl - chemical synthesis
Alkanes - chemistry
Crystallography, X-Ray
Cyclization
DNA - chemistry
Ethers - chemistry
Ligands
Models, Molecular
Nanotechnology
Nucleic Acid Conformation
Quaternary Ammonium Compounds - chemistry
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Summary:The molecular expression of topologically interesting structures represents a formidable challenge for synthetic chemists. The nontrivial link known as the Borromean rings has long been regarded as one of the most ambitious targets in this field. Of ancient provenance, this symbol comprises three interlocked rings in an inseparable union, but cut any one of the rings and the whole assembly unravels into three separate pieces. This Account delineates different strategies that can be applied to the formation of molecules possessing this distinctive topology, culminating with two successful syntheses of such compounds, thus cutting the Gordian knot of topological chemistry.
ISSN:0001-4842
1520-4898
DOI:10.1021/ar040226x