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题名: New Minor Spirostane Glycosides from Ypsilandra thibetica
作者: Zhang, Xu-Dong1, 2; Chen, Chang-Xiang1; Yang, Jun-Yun1; Ni, Wei1; null(刘海洋)1
刊名: HELVETICA CHIMICA ACTA
关键词: Ypsilandra thibetica ; Ypsilandrosides M?-?O ; Spirostanes ; Glycosides
英文摘要: A further phytochemical investigation on the whole plants of Ypsilandra thibetica yielded three new spirostane glycosides, named ypsilandrosides MO (13). Their structures were established as (3 beta,11a,25R)-3,11-dihydroxyspirost-5-en-12-one 3-{O-a-L-rhanmopyranosyl-(1?4)-O-L-rhanmopyranosyl-(1?4)-O-[a-L-rhanmopyranosyl-(1?2)]-beta-D-glucopyranoside} (1), (3 beta,7 beta,25R)-spirost-5-ene-3,7-diol 3-{O-a-L-rhanmopyranosyl-(1?4)-O-a-L-rhanmopyranosyl-(1?4)-O-[a-L-rhanmopyranosyl-(1?2)]-beta-D-glucopyranoside} (2), and (3 beta,7a,25R)-spirost-5-ene-3,7,17-triol 3-{O-a-L-rhanmopyranosyl-(1?4)-O-a-L-rhanmopyranosyl-(1?4)-O-[a-L-rhanmopyranosyl-(1?2)]-beta-D-glucopyranoside} (3) by means of a combination of MS, 1D- and 2D-NMR spectroscopic methods, and chemical degradation. Among them, compound 3 is the first pennogenin (=(3 beta,25R)-spirost-5-ene-3,17-diol) saponin whose aglycone contains an OH group at C(7). Compounds 13 were evaluated for the inhibition of the growth of five tumor cell lines, but all of them proved to be inactive.
出版日期: 2012-07-01
卷号: 95, 期号:7, 页码:1087-1093
DOI标识: 10.1002/hlca.201100368
语种: 英语
ISSN号: 0018-019X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/15091
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.Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Qingdao 266042, Peoples R China

Recommended Citation:
Zhang, Xu-Dong; Chen, Chang-Xiang; Yang, Jun-Yun; Ni, Wei; Liu, Hai-Yang.New Minor Spirostane Glycosides from Ypsilandra thibetica,HELVETICA CHIMICA ACTA,2012,95(7):1087-1093
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