Pseudopolyrotaxanes of Cucurbit[6]uril: A Three-Dimensional Network Self-assembled by ClO4-(H2O)2 Water Clusters

被引：9

作者：

Sun Xuzhuo ^{[1
,2
]}

Li Bo ^{[2
]}

Cao Jin ^{[1
]}

Chen Jing ^{[2
]}

Wang Ning ^{[2
]}

Wan Dongjin ^{[2
]}

Zhang Haibo ^{[1
]}

Zhou Xiaohai ^{[1
]}

机构：

[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Hubei, Peoples R China

[2] Henan Univ Technol, Coll Chem & Chem Engn, Zhengzhou 450001, Henan, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2012年 / 30卷 / 04期

基金：

中国国家自然科学基金;

关键词：

cucurbituril; pseudopolyrotaxane; water clusters; self-assemble; hydrogen bonds; ION COMPLEXED CUCURBITURIL; HOST-GUEST COMPLEX; SUPRAMOLECULAR ASSEMBLIES; ORGANIC-MOLECULES; METAL-ION; CRYSTAL-STRUCTURES; (H2O)(4) CLUSTER; ANION CLUSTERS; BINDING; POLYROTAXANES;

D O I：

10.1002/cjoc.201100315

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A pseudorotaxane of cucurbit[6]uril (CB[6]) with guest molecule N,N'-hexamethylenebis (pyrazinyl perchlorate) (BPHP) was synthesized and characterized by 1H NMR spectra, IR, single crystal X-ray diffraction analysis and thermogravimetric analysis. The structure of the pseudorotaxane (CB[6]center dot BPHP) is stabilized by host-guest hydrogen bonds. Self-assembly of the pseudorotaxane produces infinite one-dimensional and two-dimensional networks with intermolecular hydrogen bonds. In the molecular packing of the CB[6]center dot BPHP, ClO4-(H2O)2 water clusters serve as bridges to associate these pseudorotaxanes and form three-dimensional networked pseudopolyrotaxane.

引用

页码：941 / 946

页数：6

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