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题名: New pregnane glycosides from the roots of Cynanchum otophyllum
作者: Ma, Xiao-Xia; Jiang, Fang-Ting; Yang, Qing-Xiong; Liu, Xiu-Hua; null(张颖君); Yang, Chong-Ren
刊名: STEROIDS
关键词: Cynanchum otophyllum ; Asclepiadaceae ; pregnane glycosides ; otophyllosides H-M
英文摘要: Six new pregnane glycosides with an acyl at C-12 and a straight sugar chain at C-3, namely otophyllosides H-M (1-6), were isolated from the roots of Cynanchum otophyllum (Asclepiadaceae) collected from Eryuan County in Yunnan province of China. Their structures were characterized to be qingyangshengenin 3-0-beta-D-glucopyranosyl-(1 -> 4)-beta -D-glucopyranosyl-(1 -> 4)-beta-D-cymaropyranosyl-(1 -> 4)-beta-D-cymaropyranosyl-(l -> 4)-beta-D-digitoxopyranoside (1), qingyangshengenin 3-0-beta-D-glucopyranosyl-(1 -> 4)-beta-D-cymaropyranosyl-(1 - 4)-0-D-cymaropyranosyI-(1 - 4)-p-D-digitoxopyranoside (2), qingyangshengenin 3-0-beta-D-glucopyranosyl-(1 -> 4)-beta-D-cymaropyranosyl-(1 -> 4)- beta-D-oleandropyranosyl-(1 -> 4)-beta-D-cymaropyranosyl-(1 -> 4)-beta-D-digitoxopyranoside (3), qingyangshengenin 3-0-beta-D-glucopyranosyl-(1 -> 4)-beta-D-thevetopyranosyl-(1 -> 4)-beta-D-cymaropyranosyl(1 -> 4)-beta-D-digitoxopyranoside (4), caudatin 3-0-beta-D-glucopyranosyl-(1 -> 4)-beta-D-glucopyranosyl-(1 -> 4 )-beta-D-cymaropyranosyl-(1 -> 4)-beta-D-oleandropyranosyl-(1 -> 4)-beta-D-cymaropyranoside (5), caudatin 3-0-beta-D-glucopyranosyl-(1 -> 4)-beta-D-cymaropyranosyl-(1 -> 4)-beta-D-oleandropyranosyl-(1 -> 4)-beta-D-cymaropyranosyl-(1 -> 4)-beta-D-cymaropyranoside (6), respectively, on the basis of detailed spectroscopic analysis and chemical method. (c) 2007 Elsevier Inc. All rights reserved.
出版日期: 2007-10-01
卷号: 72, 期号:11-12, 页码:778-786
DOI标识: 10.1016/j.steroids.2007.06.001
语种: 英语
收录类别: SCI ; IC
学科分类: Biochemistry & Molecular Biology; Endocrinology & Metabolism
ISSN号: 0039-128X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/2017
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, State Key Lab Phytochem & Plant Resources W China, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Henan Univ, Coll Chem & Chem Engn, Kaifeng 475001, Peoples R China

Recommended Citation:
Ma, XX; Jiang, FT; Yang, QX; Liu, XH; Zhang, YJ; Yang, CR.New pregnane glycosides from the roots of Cynanchum otophyllum,STEROIDS,2007,72(11-12):778-786
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