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Chichak KS, Cantrill SJ, Pease AR, et al. Molecular borromean rings. Science. 2004;304(5675):1308-12doi: 10.1126/science.1096914.
Chichak, K. S., Cantrill, S. J., Pease, A. R., Chiu, S. H., Cave, G. W., Atwood, J. L., & Stoddart, J. F. (2004). Molecular borromean rings. Science (New York, N.Y.), 304(5675), 1308-12. https://doi.org/10.1126/science.1096914
Chichak, Kelly S, et al. "Molecular borromean rings." Science (New York, N.Y.) vol. 304,5675 (2004): 1308-12. doi: https://doi.org/10.1126/science.1096914
Chichak KS, Cantrill SJ, Pease AR, Chiu SH, Cave GW, Atwood JL, Stoddart JF. Molecular borromean rings. Science. 2004 May 28;304(5675):1308-12. doi: 10.1126/science.1096914. PMID: 15166376.
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Science. 2004 May 28;304(5675):1308-12. doi: 10.1126/science.1096914.

Molecular borromean rings.

Science (New York, N.Y.)

Kelly S Chichak, Stuart J Cantrill, Anthony R Pease, Sheng-Hsien Chiu, Gareth W V Cave, Jerry L Atwood, J Fraser Stoddart

Affiliations

  1. Department of Chemistry and Biochemistry and the California NanoSystems Institute, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, CA 90095, USA.

PMID: 15166376 DOI: 10.1126/science.1096914

Abstract

The realization of the Borromean link in a wholly synthetic molecular form is reported. The self-assembly of this link, which is topologically achiral, from 18 components by the template-directed formation of 12 imine and 30 dative bonds, associated with the coordination of three interlocked macrocycles, each tetranucleating and decadentate overall, to a total of six zinc(II) ions, is near quantitative. Three macrocycles present diagonally in pairs, six exo-bidentate bipyridyl and six endo-diiminopyridyl ligands to the six zinc(II) ions. The use, in concert, of coordination, supramolecular, and dynamic covalent chemistry allowed the highly efficient construction, by multiple cooperative self-assembly processes, of a nanoscale dodecacation with an approximate diameter of 2.5 nanometers and an inner chamber of volume 250 A(3), lined with 12 oxygen atoms.

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