Synthesis of starch derivatives with labile cationic groups

被引：37
作者：
Auzély-Velty, R [1 ]
Rinaudo, M [1 ]
机构：
[1] Univ Grenoble 1, CNRS, Ctr Rech Macromol Vegetales, F-38041 Grenoble, France
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2003年 / 31卷 / 4-5期
关键词：
starch betainate; cationic starches; cationic maltodextrins; cationic cyclodextrins;
D O I：
10.1016/S0141-8130(02)00072-7
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A new route to starch derivatives bearing hydrolyzable cationic groups was developed. This was based on reacting starch compounds with betaine derivatives in the presence of diisopropylcarbodiimide and 4-dimethylaminopyridine as coupling reagents in an aprotic polar solvent. Water-soluble starches with a perfectly controlled degree of substitution were thus obtained which were fully characterized by infrared, H-1 and C-13 spectroscopy and viscosity measurements. The cationic groups grafted on the polysaccharides are shown to hydrolyze slowly upon storage at room temperature. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：123 / 129
页数：7
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