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

页码：57 / 62

页数：6

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