DEXTRAN STRUCTURAL DETAILS FROM HIGH-FIELD PROTON NMR-SPECTROSCOPY

被引:18
|
作者
CHEETHAM, NWH [1 ]
FIALABEER, E [1 ]
WALKER, GJ [1 ]
机构
[1] INST DENT RES,SURREY HILLS 2010,AUSTRALIA
关键词
D O I
10.1016/0144-8617(90)90027-P
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Proton nuclear magnetic resonance at 500 MHz resolves anomeric proton resonances of dextrans well enough to furnish useful structural information. Minor resonances which would take inordinately long accumulation times to detect by carbon-13 spectroscopy are readily accessible. Enzymic hydrolysis of the dextrans to homologous series of oligosaccharides was useful in assigning anomeric resonances to specific structural features in the polysaccharides. Neighbouring group effects are also discussed. © 1990.
引用
收藏
页码:149 / 158
页数:10
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