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

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.