Withanolides from Physalis peruviana

被引：41
作者：
Ahmad, S
Malik, A [1 ]
Yasmin, R
Ullah, N
Gul, W
Khan, PM
Nawaz, HR
Afza, N
机构：
[1] Univ Karachi, HEJ Res Inst Chem, Int Ctr Chem Sci, Karachi 75270, Pakistan
[2] Gomal Univ, Dept Chem, Dera Ismail Khan, NWFP, Pakistan
[3] PCSIR Labs Complex, Pharm Fine Chem Res Ctr, Karachi 75270, Pakistan
来源：
PHYTOCHEMISTRY | 1999年 / 50卷 / 04期
关键词：
Physalis peruviana; Solanaceae; withanolides; withaphysanolide; viscosalactone B; (20R,22R)-5 alpha,6 beta,14 alpha,20,27-pentahydroxy-1-oxowith-24-enolide; (20S,22R)-5 beta,6 beta-epoxy-4 beta,14 beta,15 alpha-trihydroxy-1-oxowith-2,24-dienolide;
D O I：
10.1016/S0031-9422(98)00567-6
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Two new withanolides isolated from the whole plant material of Physalis peruviana (Solanaceae) have been characterized as (20R,22R)-5 alpha, 6 beta,14 alpha,20,27-pentahydroxy-1-oxowith-24-enolide, and (20S,22R)-5 beta,6 beta-epoxy-4 beta,14 beta,15 alpha-trihydroxy-1-oxowith-2,24-dienolide in addition to the known withanolides, withaphysanolide and viscosalactone B on the basis of spectroscopic techniques and chemical transformations. (C) 1998 Elsevier Science Ltd. All rights reserved.
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收藏
页码：647 / 651
页数：5
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