Molecular Borromean rings

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

doi:10.1126/science.1096914

Molecular Borromean rings

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

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

658 Scopus citations

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 Å³, lined with 12 oxygen atoms.

Original language	English (US)
Pages (from-to)	1308-1312
Number of pages	5
Journal	Science
Volume	304
Issue number	5675
DOIs	https://doi.org/10.1126/science.1096914
State	Published - May 28 2004

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title = "Molecular Borromean rings",

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 {\AA}3, lined with 12 oxygen atoms.",

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T1 - Molecular Borromean rings

AU - Chichak, Kelly S.

AU - Cantrill, Stuart J.

AU - Pease, Anthony R.

AU - Chiu, Sheng Hsien

AU - Cave, Gareth W V

AU - Atwood, Jerry L.

AU - Stoddart, J. Fraser

PY - 2004/5/28

Y1 - 2004/5/28

N2 - 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 Å3, lined with 12 oxygen atoms.

AB - 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 Å3, lined with 12 oxygen atoms.

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Molecular Borromean rings

Abstract

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