Bacopasaponins E and F:: two jujubogenin bisdesmosides from Bacopa monniera

被引:56
作者
Mahato, SB [1 ]
Garai, S [1 ]
Chakravarty, AK [1 ]
机构
[1] Indian Inst Chem Biol, Calcutta 700032, W Bengal, India
关键词
Bacopa monniera; Scrophulariaceae; bacopasaponin E; bacopasaponin F; jujubogenin; triterpenoid saponin;
D O I
10.1016/S0031-9422(99)00384-2
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 dammarane-type jujubogenin bisdesmosides, bacopasaponins E and F of biological interest have been isolated from the reputed Indian medicinal plant Bacopa monniera and defined as 3-O-[beta-D-glucopyranosyl(1 --> 3)(alpha-L-arabinofuranosyl(1 --> 2)alpha-L-arabinopyranosyl]-20-O-(alpha-L-arabinopyranosyl) jujubogenin and 3-O-[beta-D-glucopyranosyl(1 --> 3)(alpha-L-arabinoFuranosyl(1 --> 2))beta-D-glucopyranosyl]-20-O-alpha-L-arabinopyranosyl) jujubogenin respectively by spectroscopic methods and some chemical transformations. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:711 / 714
页数:4
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