TRITERPENOID SAPONINS FROM TRIPLOSTEGIA-GRANDIFLORA

被引：7

作者：

MA, WG

WANG, DZ

ZENG, YL

YANG, CR

机构：

[1] CHINESE ACAD SCI,KUNMING INST BOT,PHYTOCHEM LAB,KUNMING 650204,PEOPLES R CHINA

[2] YUNNAN COLL TRADIT CHINESE MED,KUNMING,PEOPLES R CHINA

来源：

PHYTOCHEMISTRY | 1992年 / 31卷 / 04期

关键词：

TRIPLOSTEGIA-GRANDIFLORA; DIPSACACEAE; ROOTS; TRITERPENOID SAPONINS; OLEANOLIC ACID; TRIPLOSIDES-D-G;

D O I：

10.1016/0031-9422(92)80287-O

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：

Four new oleanane triterpenoid saponins named triplosides D-G were isolated from the roots of Triplostegia grandiflora. Their structures were elucidated on the basis of chemical degradation and spectral evidence. The saponins investigated were: oleanolic acid 3-O-beta-D-xylopyranosyl(1 --> 4)-beta-D-xylopyranosyl(1 --> 3)-beta-D-xylopyranosyl(1 --> 4)-alpha-L-rhamnopyranosyl(1 --> 3)-beta-D-xylopyranosyl(1 --> 3)-alpha-L-rhamnopyranosyl(1 --> 2)-beta-D-xylopyranoside, oleanolic acid 3-O-beta-D-glucopyranosyl(1 --> 6)-[beta-D-xylopyranosyl(1 --> 4)]-beta-D-glucopyranosyl(1 --> 3)-beta-D-xylopyranosyl(1 --> 4)-alpha-L-rhamnopyranosyl(1 --> 3)-beta-D-xylopyranosyl(1 --> 3)-alpha-L-rhamnopyranosyl(1 --> 2)-beta-D-xylopyranoside, oleanolic acid 3-O-beta-D-xylopyranosyl(1 --> 3)-beta-D-xylopyranosyl(1 --> 4)-alpha-L-rhamnopyranosyl(1 --> 3)-beta-D-xylopyranosyl(1 --> 3)-alpha-L-rhamnopyranosyl(1 --> 2)-beta-D-xylopyranoside and oleanolic acid 3-O-alpha-L-rhamnopyranosyl(1 --> 3)-beta-D-xylopyranosyl(1 --> 3)-alpha-L-rhamnopyranosyl(1 --> 2)-beta-D-xylopyranoside, respectively. All of them have a common aglycone and are monodesmosides.

引用

页码：1343 / 1347

页数：5

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