Spasmolytic constituents from Eucalyptus camaldulensis var. obtusa leaves

被引:26
作者
Begum, S [1 ]
Farhat
Sultana, I
Siddiqui, BS
Shaheen, F
Gilani, AH
机构
[1] Univ Karachi, HEJ Res Inst Chem, Karachi 75270, Pakistan
[2] Aga Khan Univ, Coll Med, Dept Physiol & Pharmacol, Karachi 74800, Pakistan
来源
JOURNAL OF NATURAL PRODUCTS | 2000年 / 63卷 / 09期
关键词
D O I
10.1021/np9902340
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Phytochemical studies on the leaves of Eucalyptus camaldulensis var. obtusa have resulted in the isolation of a new triterpenoid camaldulin (3 beta-formyloxyurs-11-en-28,13 beta-olide) (1) along with ursolic acid lactone acetate (2), ursolic acid lactone (3), betulinic acid (4), and beta-sitosterol 3-O-beta-D-glucopyranoside (5). The structures were assigned on the basis of 1D and 2D NMR studies. Compounds 1-3 were tested for spasmolytic activity and were found to possess calcium antagonist activity.
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页码:1265 / 1268
页数:4
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