Five new labdane-type diterpenes from Excoecaria agallocha.: IV

被引：0
|
作者：
Konishi, T [1 ]
Fujiwara, Y [1 ]
Konoshima, T [1 ]
Kiyosawa, S [1 ]
机构：
[1] Kyoto Pharmaceut Univ, Yamashina Ku, Kyoto 6078414, Japan
来源：
CHEMICAL & PHARMACEUTICAL BULLETIN | 1998年 / 46卷 / 09期
关键词：
Excoecaria agallocha; Euphorbiaceae; secolabdane-type diterpene; labdane-type diterpene; structure elucidation;
D O I：
暂无
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
Five new labdane-type diterpenes were isolated from the resinous wood of Excoecaria agallocha. The structures of these compounds were established as ent-13-epi-8, 13-epoxy-2-hydroxylabda-1,14-dien-3-one (1), ent-13-epi-8,13-epoxy-14S,15-dihydroxylabdan-3-one (2), ent-13-epi-8,13-epoxy-2,3-secolabd-14-ene-2,3-dioic acid (3), ent-13-epi-8,1 3-epoxy-2,3-secolabd-14-ene-2,3-dioic acid 3-methyl ester (4) and ent-13-epi-8,13-epoxy-2-oxa-3-oxolabd-14-ene-1R-carboxylic acid (5).
引用
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页码：1393 / 1398
页数：6
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