从胺萘管和双吡啶鎓/异喹啉鎓客体制备酸/碱响应性假[3]罗他烷。

IF 2.9 3区化学 Q1 CHEMISTRY, ORGANIC

Organic & Biomolecular Chemistry Pub Date : 2024-09-09 DOI:10.1039/d4ob01268b

Li-Shuo Zheng, Hao Nian, Song-Meng Wang, Yan-Fang Wang, Wei Jiang, Li-Li Wang, Liu-Pan Yang

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引用次数: 0

摘要

通过两个相同的胺萘烷与双吡啶鎓/异喹啉鎓客体的包合作用，成功地构建了一种新型的合作性伪[3]轮烷体系。单晶结构分析表明，在形成伪[3]轮烷的过程中，两个宿主之间微弱的 Csp3-H⋯O 氢键起到了正合作作用。此外，还观察到了富电子宿主和贫电子客体之间的分子间电荷转移相互作用。伪[3]轮烷显示出 pH 值可控的结合/解离过程，并在溶液中发生肉眼可见的颜色变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Acid/base responsive pseudo[3]rotaxanes from amine naphthotubes and bis-pyridinium/isoquinolinium guests.

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Acid/base responsive pseudo[3]rotaxanes from amine naphthotubes and bis-pyridinium/isoquinolinium guests.

A novel cooperative pseudo[3]rotaxane system was successfully constructed by the inclusion complexation of two identical amine naphthotubes with a bis-pyridinium/isoquinolinium guest. Single crystal structure analysis revealed that weak C_sp³-H⋯O hydrogen bonds between the two hosts are responsible for the positive cooperativity during the formation of pseudo[3]rotaxanes. Moreover, intermolecular charge-transfer interactions between the electron-rich host and the electron-poor guests were observed. The pseudo[3]rotaxanes showed pH-controllable association/dissociation processes with naked-eye color changes in solution.

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来源期刊

Organic & Biomolecular Chemistry 化学-有机化学

CiteScore

5.50

自引率

9.40%

发文量

1056

审稿时长

1.3 months

期刊介绍： The international home of synthetic, physical and biomolecular organic chemistry.