DITERPENOIDS FROM SIEGESBECKIA-PUBESCENS

被引：62
作者：
JIANG, X
MA, YB
XU, YL
机构：
[1] The Laboratory of Phytochemistry, Kunming Institute of Botany, Academia Sinica, Kunming
来源：
PHYTOCHEMISTRY | 1992年 / 31卷 / 03期
关键词：
SIEGESBECKIA-PUBESCENS; COMPOSITAE; XI-XIAN; ENT-KAURANE-TYPE DITERPENOIDS; SIEGESBECKIOSIDE; SIEGESBECKIOL; SIEGESBECKI ACID;
D O I：
10.1016/0031-9422(92)80039-H
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：
Three new ent-kaurane-type diterpenoids, siegesbeckioside, siegesbeckiol and siegesbeckic acid, were isolated together with five known diterpenes from Siegesbeckia pubescens (Xi-Xian). On the basis of chemical and spectral evidences, their structures were elucidated as.ent-16-beta,17,18-trihydroxy-kauran 18-O-beta-D-glucopyranoside, ent-kauran-2-alpha,16-beta,17-triol, ent-16-alpha-H,17,18-dihydroxy-kauran-19-oic acid, ent-kauran-16-beta,17,18-triol, ent-16-beta,17-dihydroxy-kauran-19-oic acid, ent-16-alpha-H,17-hydroxy-kauran-19-oic acid, grandifloric acid and kirenol, respectively.
引用
收藏
页码：917 / 921
页数：5
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