Junceosides A-C, new triterpene saponins from Arenaria juncea

被引：17

作者：

Gaidi, G

Miyamoto, T

Lacaille-Dubois, MA

机构：

[1] Univ Bourgogne, Fac Pharm, Lab Pharmacognosie, Unite Mol Interet Biol, F-21079 Dijon, France

[2] Kyushu Univ, Grad Sch Pharmaceut Sci, Fukuoka 8128582, Japan

来源：

JOURNAL OF NATURAL PRODUCTS | 2001年 / 64卷 / 12期

关键词：

D O I：

10.1021/np010353r

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Three novel triterpenoid saponins, junceosides A (1), B (2), and C (3), together with two known saponins have been isolated from the roots of Arenaria juncea. Their structures were elucidated using a combination of homo- and heteronuclear 2D NMR techniques (COSY, TOCSY, NOESY, HSQC, and HMBC) and by FABMS. The new compounds were characterized as 3-O-alpha-L-arabinopyranosyl-(1-->2)-[beta-D-galactopyranosyl-(1-->3)]-beta-D-glucuronopyranosylgypsogenin-28-O-beta-D-glucopyranosyl(1-->3)-[beta-D-xylopyranosyl-(1-->4)]-alpha-L-rhamnopyranosyl-(1-->2)-beta-D-fucopyranoside (1), 3-O-alpha-L-arabinopyranosyl-(1-->2)-[beta-D-galactopyranosyl-(1-->3)]-beta-D-glucuronopyranosylgypsogenin-28-O-beta-D-xylopyranosyl-(1-->3)-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl-(1-->2)-beta-D-fucopyranoside (2), and 3-O-beta-D-xylopyranosyl-(1-->3)-[beta-D-galactopyranosyl-(1-->2)]-beta-D-glucuronopyranosylgypsogenin-28-O-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl-(1-->2)-beta-D-fucopyranoside (3).

引用

页码：1533 / 1537

页数：5

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