Two New Triterpenoid Saponins from the Seeds of Aesculus chinensis

被引：0
|
作者：
Xiu Wei YANG
Jing ZHAO
Yu Xin CUI (National Laboratory of Natural and Biomimetic Drugs
机构：
来源：
ChineseChemicalLetters | 2000年 / 02期
关键词：
Aesculus chinensis; isoescins IIIa and IIIb;
D O I：
暂无
中图分类号：
O629 [天然化合物];
学科分类号：
070303 ; 081704 ;
摘要：
Two new triterpenoid saponins, named isoescins IIIa (1) and IIIb (2) were isolated from the seeds of Aesculus chinensis and identified by spectroscopic analysis and chemical hydrolysis. Their structures were established as 21β-tigloyl-28-acetylbarringtogenol C-3β-O-[β- D-galactopyranosyl (1→2)] [β-D-glucopyranosyl (1→4)]-β-D-glucopyranosiduronic acid (1) and 21β-angeloyl-28-acetylbarringtogenol C-3β-O-[β-D-galactopyranosyl (1→2)] [β-D-glucopyrano syl (1→4)]-β-D-glucopyranosiduronic acid (2), which are geometrically isomeric.
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页码：139 / 142
页数：4
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