New Pentacyclic Cucurbitane Glucosides from the Fruits of Citrullus colocynthis SCHRAD.

被引:3
|
作者
Nayab, Durey [1 ]
Perveen, Shagufta [1 ]
Ahmed, Zaheer [1 ]
Malik, Abdul [1 ]
机构
[1] Univ Karachi, HEJ Res Inst Chem, Int Ctr Chem & Biol Sci, Karachi 75270, Pakistan
关键词
PLANTS;
D O I
10.1002/hlca.200900341
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Colocynthins A-C (1-3, resp.), new pentacyclic cucurbitane type triterpene glucosides, have been isolated from the AcOEt-soluble fraction of the fruits of Citrullus colocynthis, along with three known compounds, beta-sitosterol 3-O-beta-D-glucopyranoside, elaterinide, and bryoamaride. Their structures were determined on the basis of (1)H- and (13)C-NMR spectra, DEPT, and COSY, NOESY, HMQC, and HMBC experiments.
引用
收藏
页码:1012 / 1018
页数:7
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