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Synthesis and inclusion behavior of a heterotritopic receptor based on hexahomotrioxacalix[3]arene

Jin, Cheng-Cheng; Cong, Hang; Ni, Xin-Long; Zeng, Xi; Redshaw, Carl; Yamato, Takehiko

Authors

Cheng-Cheng Jin

Hang Cong

Xin-Long Ni

Xi Zeng

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

Takehiko Yamato



Abstract

A heterotritopic hexahomotrioxacalix[3]arene receptor with the capability of binding two alkali metals and a transition metal in a cooperative fashion was synthesized. The binding model was investigated by using ¹H NMR titration experiments in CDCl₃–CD₃CN (10:1, v/v), and the results revealed that the transition metal was bound at the upper rim and the alkali metals at the lower and upper rims. Interestingly, the alkali metal ions Li⁺ and Na⁺ bind at the lower and upper rim respectively depending on the dimensions of the alkali metal ions versus the size of the cavities formed by the calix[3]arene derivative. The hexahomotrioxacalix[3]arene receptor acts as a heterotritopic receptor, binding with the transition metal ion Ag⁺ and the alkali metals ions Li⁺ and Na⁺. These findings were not applicable to other different sized alkali metals, such as K⁺ and Cs⁺.

Citation

Jin, C., Cong, H., Ni, X., Zeng, X., Redshaw, C., & Yamato, T. (2014). Synthesis and inclusion behavior of a heterotritopic receptor based on hexahomotrioxacalix[3]arene. RSC advances, 4(59), 31469-31475 . https://doi.org/10.1039/c4ra04566a

Journal Article Type Article
Acceptance Date Jul 3, 2014
Online Publication Date Jul 4, 2014
Publication Date Jul 4, 2014
Deposit Date Jul 9, 2015
Publicly Available Date Jul 9, 2015
Journal RSC advances
Print ISSN 2046-2069
Electronic ISSN 2046-2069
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 4
Issue 59
Pages 31469-31475
DOI https://doi.org/10.1039/c4ra04566a
Keywords Hexahomotrioxacalix[3]arene; Heterotritopic receptor; Binding model; Titration experiments
Public URL https://hull-repository.worktribe.com/output/376169
Publisher URL http://pubs.rsc.org/en/Content/ArticleLanding/2014/RA/C4RA04566A#!divAbstract
Additional Information Author's accepted manuscript of article published in: RSC advances, 2014, v.4, issue 59.

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