具有三烷基单乙酸基团的锂选择性钙[4]炔：三个烷基分支和 p 位 t-辛基对锂萃取选择性的影响

IF 2.3 4区化学 Q2 Agricultural and Biological Sciences

Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-16 DOI:10.1007/s10847-024-01233-5

Keisuke Ohto, Hirotoshi Sadamatsu, Takuya Hanada, Shintaro Morisada, Hidetaka Kawakita

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引用次数: 0

摘要

制备了对-t-辛基钙并[4]炔和钙并[4]炔的三烷基单乙酸衍生物，以研究苯氧基氧原子上的烷基分支和 p 位上的烷基分支对 Li+ 对 Na+ 的选择性萃取的影响。苯氧基氧原子上的烷基分支对 Li+ 的选择性有显著影响，而 p 位上的烷基分支影响较小。前者有助于排除 Na+ 的萃取，而有利于 Li+ 的萃取。烷基分支的最佳选择可提高钙[4]炔的 Li+ 选择性。然而，具有三个 2-乙基丁基支的立体受阻对叔辛基钙力[4]炔却表现出相反的选择性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Li-selective calix[4]arene with trialkyl-monoacetic acid groups: effect of three alkyl branches and t-octyl groups at p-position on selectivity for Li extraction

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Li-selective calix[4]arene with trialkyl-monoacetic acid groups: effect of three alkyl branches and t-octyl groups at p-position on selectivity for Li extraction

Trialkyl-monoacetic acid derivatives of p–t-octylcalix[4]arene and calix[4]arene were prepared to investigate the effect of the alkyl branches attached to the phenoxy oxygen atoms and the p-position on the selective extraction of Li⁺ over Na⁺. Alkyl branches on the phenoxy oxygen atoms remarkably affected the Li⁺ selectivity, whereas those at the p-position had less effect. The former can contribute to excluding Na⁺ extraction while enabling Li⁺ extraction. Optimal selection of the alkyl branch improves the Li⁺ selectivity of calix[4]arene. However, sterically-hindered p–t-octylcalix[4]arene with three 2-ethylbutyl branches exhibited opposite selectivity.

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来源期刊

Journal of Inclusion Phenomena and Macrocyclic Chemistry 化学-化学综合

CiteScore

3.30

自引率

8.70%

发文量

审稿时长

3-8 weeks

期刊介绍： The Journal of Inclusion Phenomena and Macrocyclic Chemistry is the premier interdisciplinary publication reporting on original research into all aspects of host-guest systems. Examples of specific areas of interest are: the preparation and characterization of new hosts and new host-guest systems, especially those involving macrocyclic ligands; crystallographic, spectroscopic, thermodynamic and theoretical studies; applications in chromatography and inclusion polymerization; enzyme modelling; molecular recognition and catalysis by inclusion compounds; intercalates in biological and non-biological systems, cyclodextrin complexes and their applications in the agriculture, flavoring, food and pharmaceutical industries; synthesis, characterization and applications of zeolites. The journal publishes primarily reports of original research and preliminary communications, provided the latter represent a significant advance in the understanding of inclusion science. Critical reviews dealing with recent advances in the field are a periodic feature of the journal.