A tetracyclic diterpene and triterpenes from Euphorbia segetalis

被引：24

作者：

Ferreira, MJU

Madureira, AM

Ascenso, JR

机构：

[1] Univ Lisbon, Fac Farm, Ctr Estudos & Ceincias Farmaceut, P-1699 Lisbon, Portugal

[2] Inst Super Tecn, Ctr Quim Estrutural, P-1096 Lisbon, Portugal

来源：

PHYTOCHEMISTRY | 1998年 / 49卷 / 01期

关键词：

Euphorbia segetalis; Euphorbiaceae; tetracyclic diterpene; segetalol; pentacyclic triterpenes; tetracyclic triterpenes;

D O I：

10.1016/S0031-9422(97)01011-X

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 [生物化学与分子生物学]; 081704 [应用化学];

摘要：

A new tetracyclic diterpene, with a novel carbon skeleton, has been isolated from the acetone extract of the whole plant of Euphorbia segetalis. Seven known compounds were also isolated: the pentacyclic triterpenes friedeline, lupenone, and glutinol, the tetracyclic triterpenes dammaradienol, cycloartenol and 24-methylenecycloartanol and beta-sitosterol. The structure of the new compound and its derivatives have been extensively characterised by high-field NMR spectroscopic methods including 2D NMR techniques. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：179 / 183

页数：5

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