Steroidal saponins from the leaves of Cordyline stricta

被引：20

作者：

Mimaki, Y ^{[1
]}

Kuroda, M ^{[1
]}

Takaashi, Y ^{[1
]}

Sashida, Y ^{[1
]}

机构：

[1] Tokyo Univ Pharm & Life Sci, Sch Pharm, Tokyo 19203, Japan

来源：

PHYTOCHEMISTRY | 1998年 / 47卷 / 01期

关键词：

Cordyline stricta; Agavaceae; leaves; steroidal saponins; spirostanol saponins; furostanol saponins;

D O I：

10.1016/S0031-9422(97)00545-1

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：

Three new spirostanol saponins and two new furostanol saponins were isolated from the fresh leaves of Cordyline stricta. Their structures were elucidated on the basis of spectroscopic analysis, including various 2D-NMR techniques, hydrolysis, and by comparison of spectral data of known compounds. Two of the isolated saponins contained a new branched triglycoside moiety assigned as O-alpha-L-rhamnopyranosyl-(1 --> 2)-O-[beta-D-xylopyranosyl-(1 --> 3)]-beta-D-xylopyranose with the formation of an O-glycosidic linkage to C-l of the aglycone. (C) 1997 Elsevier Science Ltd.

引用

页码：79 / 85

页数：7

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