Two new triterpene lactones from the stems of Kadsura polysperma

被引：14

作者：

Jia, Zhengwei ^{[1
]}

Lu, Yan ^{[1
]}

Liao, Zhixin ^{[1
]}

Chen, Daofeng ^{[1
]}

机构：

[1] Fudan Univ, Dept Pharmacognosy, Sch Pharm, Shanghai 200032, Peoples R China

来源：

HELVETICA CHIMICA ACTA | 2007年 / 90卷 / 06期

关键词：

D O I：

10.1002/hlca.200790124

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two new triterpene lactones, polysperlactones A (2) and B (3), were isolated from the stems of Kadsura polysperma, together with the known compounds heteroclitalactone D (1) and schisanlactone E (4). Their structures were elucidated by spectroscopic methods, including 2D-NMR and HR-MS techniques. The configuration of 1 was confirmed by X-ray analysis. Compounds 2 and 3 are members of a rare class of 3,4-secolanostane metabolites with ring-expanded or cyclized structures, respectively.

引用

页码：1236 / 1243

页数：8

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