Two new cardenolides from the roots of Streptocaulon griffithii

被引:15
作者
Zhang, L.
Xu, L. -Z. [1 ]
Yang, S. -L.
机构
[1] Chinese Acad Med Sci, Inst Med Plant Dev, Beijing 100094, Peoples R China
[2] Peking Union Med Coll, Beijing 100094, Peoples R China
关键词
Streptocaulon griffithii; Asclepiadaceae; cardenolides; 3 beta,5 beta,14 beta-trihydroxyl-card-16,20(22)-dienolide; 3-O-beta-D-glucopyranosyl-5 beta,14 beta-dihydroxyl-card-16,20(22)-dienolide;
D O I
10.1080/10286020500208519
中图分类号
Q94 [植物学];
学科分类号
071001 [植物学];
摘要
Two new cardenolides, 3 beta, 5 beta, 14 beta-trihydroxyl-card-16,20(22)-dienolide (1) and 3-O-beta-D-glucopyranosyl-5 beta, 14 beta-dihydroxyl-card-16,20(22)-dienolide (2), together with seven known compounds identified as digitogenin (3), 16-O-acetylgitoxigenin (4), periplogenin (5), 16-O-acetylperiplogenin (6), periplogenin digitoxoside (7), periplogenin-3-O-beta-D-glucopyranoside (8) and periplogenin-3-O-beta-D-glucopyranosyl-(1 -> 4)-O-beta-D-digitoxopyranoside (9) were isolated from the roots of Streptocaulon griffithii. Their structures were elucidated on the basis of spectroscopic data.
引用
收藏
页码:613 / 617
页数:5
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