SYNTHESIS AND CHARACTERIZATION OF FURANOSE AND PYRANOSE DERIVATIVES OF 3-DEOXY-D-GLYCERO-D-GALACTO-2-NONULOSONIC ACID (KDN)

被引:0
|
作者
NAKAMURA, M [1 ]
TAKAYANAGI, H [1 ]
FURUHATA, K [1 ]
OGURA, H [1 ]
机构
[1] KITASATO UNIV, FAC PHARMACEUT SCI, MINATO KU, TOKYO 108, JAPAN
关键词
KDN; ANOMERIC EQUILIBRIUM; FURANOSE; X-RAY CRYSTAL ANALYSIS; H-1-NMR;
D O I
暂无
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The products of Fischer's methyl glycosylation of 3-deoxy-D-glycero-D-galacto-2-nonulosonic acid (KDN) revealed existence of an the anomeric equilibrium between alpha,beta-furanose and alpha,beta-pyranose of KDN. In spite of the anomeric equilibrium, peracetylation of KDN and its derivatives by acetic anhydride with pyridine gave only alpha- and beta-pyranose derivatives. The obtained methyl glycosides and hexa-O-acetyl derivatives were characterized by X-ray, nuclear magnetic resonance and circular dichroism spectral analyses.
引用
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页码:879 / 885
页数:7
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