Threading the Calix[5]arene Annulus

被引：37
|
作者：
Gattuso, Giuseppe [1 ]
Notti, Anna [1 ]
Parisi, Melchiorre F. [1 ]
Pisagatti, Ilenia [1 ]
Amato, Maria E. [2 ]
Pappalardo, Andrea [2 ]
Pappalardo, Sebastiano [2 ]
机构：
[1] Univ Messina, Dipartimento Chim Organ & Biol, I-98166 Messina, Italy
[2] Univ Catania, Dipartimento Sci Chim, I-95125 Catania, Italy
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2010年 / 16卷 / 08期
关键词：
calixarenes; density functional calculations; ion pairs; NMR spectroscopy; pseudorotaxanes; BINARY HOST SYSTEMS; LONG-CHAIN; MOLECULAR RECOGNITION; ION; CATENANES; ROTAXANES; BINDING; SALTS; CONSTANTS; RECEPTOR;
D O I：
10.1002/chem.200902945
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Slowly does it! Di-n-alkylammonium ions (such as 2 H+) thread the annulus of calix[5]arene 1 to yield stable [2] pseudorotaxanes. The ease of formation of this hitherto unknown family of interpenetrated supermolecules is predominantly determined by salt ion-pairing effects, whereas the time course of the threading/dethreading process depends on the length of the cation alkylammonium chains. © 2010 Wiley-VCH Verlag GmbH&Co. KGaA, Weinheim.
引用
收藏
页码：2381 / 2385
页数：5
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