Saponins from Pisonia umbellifera

被引：25

作者：

Lavaud, C

Beauviere, S

Massiot, G

LeMenOlivier, L

Bourdy, G

机构：

[1] UFR PHARM,CNRS,URA 392,LAB PHARMACOGNOSIE,F-51096 REIMS,FRANCE

[2] ORSTOM,UR,F-75480 PARIS 10,FRANCE

来源：

PHYTOCHEMISTRY | 1996年 / 43卷 / 01期

关键词：

Pisonia umbellifera; Nyctaginaceae; oleanolic acid saponins; seco-glycosides;

D O I：

10.1016/0031-9422(96)00253-1

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：

Six saponins were isolated from the leaves of Pisonia umbellifera. Three are new oleanolic acid saponins, and two of them contain an unusual seco-glycopyranosyl moiety. Their structures were determined using a combination of H-1 and C-13 NMR, and mass spectrometry as 3-O-{beta-D-glucopyranosyl(1-->2)[beta-D-glucopyranosyl(1-->2)-beta-D-xylopyranosyl(1-->3)]-beta-D-glucuronopyranosyl} 28-O-beta-D-glucopyranosyl olean-12-en-3 beta-ol-28-oic acid, 3-O-{2'-(2 ''-O-glycolyl)-glyoxylyl-beta-D-glucuronopyranosyl} 28-O-beta-D-glucopyranosyl olean-12-en-3 beta-ol-28-oic acid and 3-O-{2'-O-glycolyl)-glyoxylyl-beta-D-glucuronopyranosyl} olean-12-en-3 beta-ol-28-oic acid. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：189 / 194

页数：6

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