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Binding ability and assembly behavior of β-cyclodextrin complexes with 2,2'-dipyridine and 4,4'-dipyridine

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Binding ability and assembly behavior of β-cyclodextrin complexes with 2,2'-dipyridine and 4,4'-dipyridine

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dc.contributor.author Liu, Yu
dc.contributor.author Zhao, Yanli
dc.contributor.author Zhang, Heng Yi
dc.contributor.author Yang, En Cui
dc.contributor.author Guan, Xu Dong
dc.date.accessioned 2011-09-05T07:31:15Z
dc.date.available 2011-09-05T07:31:15Z
dc.date.copyright 2004
dc.date.issued 2011-09-05
dc.identifier.citation Liu, Y., Zhao, Y. L., Zhang, H. Y., Yang, E. C., & Guan, X. D. (2004). Binding Ability and Assembly Behavior of β-Cyclodextrin Complexes with 2,2‘-Dipyridine and 4,4‘-Dipyridine. The Journal of Organic Chemistry, 69(10), 3383-3390.
dc.identifier.uri http://hdl.handle.net/10220/6994
dc.description.abstract Two channel-type supramolecular aggregations 1 and 2 were prepared by the inclusion complex of â-cyclodextrin with 2,2′-dipyridine and 4,4′-dipyridine, respectively, and their binding ability and assembly behavior were investigated comprehensively by X-ray crystallography, 1 H NMR, circular dichroism spectra, and microcalorimetric titration in solution and the solid state. The obtained results revealed that the hydrogen bonds and ð-ð stacking interactions are crucial factors for the formation of the molecular aggregations containing â-cyclodextrin and dipyridines. The disparity of nitrogen atom position in dipyridines leads not only to the distinct crystal system and space group, i.e., monoclinic system (C2) for 1 and triclinic system (P-1) for 2, but also different binding modes and thermodynamical parameters upon complexation of 2,2′-dipyridine and 4,4′-dipyridine with â-cyclodextrin in aqueous solution
dc.format.extent 8 p.
dc.relation.ispartofseries Journal of organic Chemistry
dc.rights © 2004 American Chemical Society.
dc.subject DRNTU::Science::Biological sciences::Biochemistry.
dc.title Binding ability and assembly behavior of β-cyclodextrin complexes with 2,2'-dipyridine and 4,4'-dipyridine
dc.type Journal Article
dc.identifier.doi http://dx.doi.org/10.1021/jo035868x
dc.description.version None of the above
dc.identifier.rims 159666

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