Formation of supramolecular polymers constructed by cyclodextrins with cinnamamide

被引：38
|
作者：
Miyauchi, M [1 ]
Kawaguchi, Y [1 ]
Harada, A [1 ]
机构：
[1] Osaka Univ, Grad Sch Sci, Dept Macromol Sci, Osaka 5600043, Japan
来源：
JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY | 2004年 / 50卷 / 1-2期
关键词：
cyclodextrin; host-guest interaction; inclusion complex; supramolecular polymer; vapor pressure osmometry; 2D NMR;
D O I：
10.1007/s10847-004-8839-3
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
alpha-Cyclodextrin having cinnamamide at 6- or 3-positions (6-CiNH-alpha-CD, 3-CiNH-alpha-CD) and beta-cyclodextrin with cinnamamide on 6-position (6-CiNH-beta-CD) have been prepared. Supramolecular structures were formed in the solid state or aqueous solutions and characterized by measurements of NMR and vapor pressure osmometry (VPO). The results indicate that 6-CiNH-beta-CD formed insoluble supramolecular polymers in the solid state, while 6-CiNH-alpha-CD and 3-CiNH-alpha-CD formed supramolecular complexes in aqueous solutions. 6-CiNH-alpha-CD was found to form a dimer in an aqueous solution. 3-CiNH-alpha-CD formed intermolecular complexes to give supramolecular polymers. The differences of the position of guest part on cyclodextrins caused to give a variety of supramolecular structures in aqueous solutions.
引用
收藏
页码：57 / 62
页数：6
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