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Study of the host-guest interaction between: N, N ′-bis[4-(dimethylaminophenyl)methyl]butane-1,4-diamine and the cucuribit [n] urils (n = 6, 7)

Xiao, Zhiyou; Zhou, Yang; Xu, Weitao; Prior, Timothy J.; Bian, Bing; Redshaw, Carl; Tao, Zhu; Xiao, Xin

Authors

Zhiyou Xiao

Yang Zhou

Weitao Xu

Bing Bian

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Professor Carl Redshaw C.Redshaw@hull.ac.uk
Professor of Inorganic Materials Chemistry and REF Lead for Chemistry

Zhu Tao



Abstract

The interaction between the cucuribit[n]urils (Q[n]), where n = 6 or 7, and the guest N,N/-bis[4-(dimethylaminophenyl)methyl]butane-1,4-diamine (G) has been studied in aqueous solution by 1H NMR spectroscopy, electronic absorption spectroscopy and Isothermal Titration Calorimetry (ITC). In the case of Q[6], a 1:1 host-guest complex is favoured with on end of G initially embedded in the Q[6], although over time (48h), the Q[6] shuttles along the chain such that it resides over the centre of G. For Q[7], a 2:1 host-guest complex is formed with the aromatic groups at each end of G buried in a Q[7] cavity. The molecular structure of the inclusion complex having composition overall composition of Q[6].GH2.2Cl.14H2O has been determined, and clearly shows the insertion of the guest molecule with the host Q[6] and it is localised therein by two N-H∙∙∙O hydrogen bonds.

Citation

Xiao, Z., Zhou, Y., Xu, W., Prior, T. J., Bian, B., Redshaw, C., …Xiao, X. (2019). Study of the host-guest interaction between: N, N ′-bis[4-(dimethylaminophenyl)methyl]butane-1,4-diamine and the cucuribit [n] urils (n = 6, 7). New journal of chemistry = Nouveau journal de chimie, 43(37), 14938-14943 . https://doi.org/10.1039/c9nj03254a

Journal Article Type Article
Acceptance Date Aug 24, 2019
Online Publication Date Aug 27, 2019
Publication Date Oct 7, 2019
Deposit Date Aug 28, 2019
Publicly Available Date Aug 28, 2020
Journal New Journal of Chemistry
Print ISSN 1144-0546
Electronic ISSN 1369-9261
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 43
Issue 37
Pages 14938-14943
DOI https://doi.org/10.1039/c9nj03254a
Keywords Materials Chemistry; General Chemistry; Catalysis
Public URL https://hull-repository.worktribe.com/output/2530886
Publisher URL https://pubs.rsc.org/en/Content/ArticleLanding/2019/NJ/C9NJ03254A#!divAbstract

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