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题名: Five new C-21 steroidal glycosides from Cynanchum komarovii Al. Iljinski
作者: Wang, LQ; Shen, YM; Xu, X; Wei, YQ; Zhou, J
刊名: STEROIDS
关键词: Cynanchum komarovii Al.Iljinski ; Asclepiadaceae ; steroid ; komarosides D, E, F, G and H
英文摘要: Five new C-21 steroidal glycosides, namely, komarosides D (1), E (2), F (3), G (4), and H (5), along with two known C-21 steroidal glycosides cynatratoside E (6) and hancoside A (7), were isolated from the ethanol extract of the roots of Cynanchum komarovii Al.Iljinski (Asclepiadaceae). Their structures were determined by physiochemical and spectroscopic analysis. Among these glycosides, five had an aberrant 13,14:14,15-disecopregnane-type skeleton, and the other two had normal four-ring C-21 steroid skeletons. The existence of more than one type Of C-21 steroid skeleton in one species is rare in the plants of the family Asclepiadaceae, and this has chemotaxonomic significance for this species. (C) 2004 Elsevier Inc. All rights reserved.
出版日期: 2004-05-01
卷号: 69, 期号:5, 页码:319-324
DOI标识: 10.1016/j.steroids.2004.03.001
语种: 英语
收录类别: SCI ; IC
学科分类: Biochemistry & Molecular Biology; Endocrinology & Metabolism
ISSN号: 0039-128X
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/4624
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China
2.Ningxia Agr Biotechnol Key Lab, Yinchuan 750002, Peoples R China

Recommended Citation:
Wang, LQ; Shen, YM; Xu, X; Wei, YQ; Zhou, J.Five new C-21 steroidal glycosides from Cynanchum komarovii Al. Iljinski,STEROIDS,2004,69(5):319-324
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