Towards the Stepwise Assembly of Molecular Borromean Rings. A Donor-Acceptor Ring-in-Ring Complex

被引：0
|
作者：
Forgan, Ross S. [1 ]
Spruell, Jason M. [1 ]
Olsen, John-Carl [1 ]
Stern, Charlotte L. [1 ]
Stoddart, J. Fraser [1 ]
机构：
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
来源：
JOURNAL OF THE MEXICAN CHEMICAL SOCIETY | 2009年 / 53卷 / 03期
基金：
美国国家科学基金会;
关键词：
Borromean Rings; Ring-in-Ring Complex; Donor-Acceptor; Supramolecular Chemistry; Crystal Structure; SHOWING STRUCTURAL DIVERSITY; MACROCYCLES; TOPOLOGY;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The assembly of molecular Borromean Rings from constitutionally independent rings in a stepwise manner depends on the preparation of robust "ring-in-ring" complexes. The pi-electron rich macrocycle bis-1,5-dinaphtho[50] crown-14 (1) is shown to form a donor-acceptor ring-in-ring complex with the pi-electron poor cyclophane cyclobis(paraquat-4,4'-biphenylene) (2(4+)) in solution. In the crystal superstructure of [1 subset of 2]center dot 4PF(6), CII center dot center dot center dot O interactions between the polyether loops of 1 and the bipyridinium units of 2(4+) could disfavor the threading of dialkylammonium components of a third ring.
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页码：134 / 138
页数：5
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