Apotirucallane and tirucallane triterpenoids from Luvunga sarmentosa

被引：25

作者：

Kamperdick, C

Lien, TP

Adam, G

Van Sung, T

机构：

[1] Natl Ctr Nat Sci & Technol Vietnam, Inst Chem, Hanoi, Vietnam

[2] Inst Plant Biochem, D-06120 Halle Saale, Germany

来源：

JOURNAL OF NATURAL PRODUCTS | 2003年 / 66卷 / 05期

关键词：

D O I：

10.1021/np020458+

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The leaves of Luvunga sarmentosa yielded two new apotirucallane triterpenoids, 3-epi-skimmiarepin A (1) and 21,23-epoxy-7alpha,21-dihydroxyapotirucalla-14,24-dien-3-one (2), and a new tirucallane triterpene, 3-epi-flindissol (3). Because of a hemiacetal functionality at C-21, all compounds occurred as mixtures of 21-epimers. 3-epi-Skimmiarepin A (1) and 3-epi-flindissol (3) were oxidized to the corresponding gamma-lactones. The structures have been elucidated on the basis of mass and NMR spectroscopic methods.

引用

页码：675 / 678

页数：4

共 8 条

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