New withanolide glycosides from Physalis peruviana L.

被引：0
|
作者：
Ahmad, S
Yasmin, R
Malik, A [1 ]
机构：
[1] Univ Karachi, HEJ Res Inst Chem, Int Ctr Chem Sci, Karachi 75270, Pakistan
[2] Gomel State Univ, Dept Chem, Dera Ismail Khan, NWFP, Pakistan
来源：
CHEMICAL & PHARMACEUTICAL BULLETIN | 1999年 / 47卷 / 04期
关键词：
Physalis peruviana; Solanaceae; withanolide glycoside;
D O I：
暂无
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
Four new withanolide glycosides (1-4) have been isolated from Physalis peruviana. Their structures were established as (20R,22R)-1 alpha-acetoxy-14 alpha,20-dihydroxywitha-5,24-dienolide-3 beta-(O-beta-D-glucopyranoside) (1), (20S,22R)-1 alpha-acetoxy-27-hydroxywitha-5,24-dienolide-3 beta-(O-beta-D-glucopyranoside) (2), (20R,22R)-20,27-dihydoxy-1-oxowitha-5,24-dienolide-3 beta-(O-beta-D-glucopyranoside) (3), and (20R,22R)-14 alpha,20,27-trihydroxy-1-oxowitha-5,24-dienolide-3 beta-(O-beta-D-glucopyranoside) (4) on the basis of spectroscopic data including two dimensional NMR techniques and through chemical transformations.
引用
收藏
页码：477 / 480
页数：4
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