Steroidal saponins from Disporopsis pernyi

被引：15
|
作者：
Yang, QX [1 ]
Xu, M [1 ]
Zhang, YJ [1 ]
Li, HZ [1 ]
Yang, CR [1 ]
机构：
[1] Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China
来源：
HELVETICA CHIMICA ACTA | 2004年 / 87卷 / 05期
关键词：
D O I：
10.1002/hlca.200490114
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Four new steroidal saponins, named disporosides A-D (1-4), corresponding to (3beta,25R)-3-[(beta-D-glucopyranosyl-(1-->2)-[beta-D-glucopyranosyl-(1-->6)]-beta-D-glucopyrnosyl)oxy]-5beta-spirostan (1), (3beta,25R)-3-[(beta-D-glucopyranosyl-(1-->2)-[6-O-hexadecanoyl-beta-D-glucopyranosyl-(1-->6)]-beta-D-glucopyranosyl)oxy]-5beta-spirostan (2), (3beta,22R,25R)-26-[(beta-D-glucopyranosyl)oxy]-3-[(beta-D-glucopyranosyl-(1-->2)-beta-D-glucopyranosyl)-oxy]-5beta -furostan (3), and (3beta,22R,25R)-26-[(beta-D-glucopyranosyl)oxy]-3-[(beta-D-glucopyranosyl-(1-->2)-[beta-D-glucopyranosyl-(1 -->6)]-beta-D-glucopyranosyl)oxy]-5beta-furostan (4), have been isolated from the fresh rhizomes of Disporopsis pernyi, together with the three known compounds Ys-I, agavoside B, and (3beta,25R)-3-[(beta-Dxylopyranosyl-(1 -->3)-beta-D-glucopyranosyl-(1- 4)-beta-D-galactopyranosyl)oxy]-5alpha-spirostan-12-one. Their structures were elucidated by spectroscopic analyses, chemical transformations (acid hydrolysis), and comparison with literature data.
引用
收藏
页码：1248 / 1253
页数：6
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