Cholestane- and pregnane-type glycosides from the roots of Tribulus cistoides

被引:25
作者
Achenbach, H [1 ]
Hubner, H [1 ]
Reiter, M [1 ]
机构
[1] TECH UNIV MUNICH,INST PHARMACOL & TOXICOL,W-8000 MUNICH,GERMANY
关键词
Tribulus cistoides; Zygophyllaceae; roots; cardioactive saponin-3; cholestane-type glycosides; pregnane-type glycoside; D-(+)-pinitol; sucrose;
D O I
10.1016/0031-9422(95)00622-2
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 [生物化学与分子生物学]; 081704 [应用化学];
摘要
From the methanolic extract of the roots of Tribulus cistoides the cardioactive saponin-3, which is known to occur in the leaves, was isolated along with tribulosin, a pregnane-type glycoside and eight new cholestane glycosides. D-(+)-Pinitol and sucrose were major constituents. The structures were established by spectroscopic studies of the isolated compounds, their acetylated derivatives and their hydrolysation products. Chemical conversions revealed the configurations at C-22 and C-25, respectively.
引用
收藏
页码:907 / 917
页数:11
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