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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


Cheng-Cheng Jin

Hang Cong

Xin-Long Ni

Xi Zeng

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Professor Carl Redshaw
Professor of Inorganic Materials Chemistry and REF Lead for Chemistry

Takehiko Yamato


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⁺.

Journal Article Type Article
Publication Date Jul 4, 2014
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
APA6 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 .
Keywords Hexahomotrioxacalix[3]arene; Heterotritopic receptor; Binding model; Titration experiments
Publisher URL!divAbstract
Additional Information Author's accepted manuscript of article published in: RSC advances, 2014, v.4, issue 59.


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