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题名: Five new steroidal compounds from Ypsilandra thibetica
作者: Xie, Bai-Bo; null(刘海洋); Ni, Wei; Chen, Chang-Xiang; Lu, Yang; Wu, Li; Zheng, Qi-Tai
刊名: CHEMISTRY & BIODIVERSITY
关键词: SAPONINS
英文摘要: Five new steroids, including the four new steroidal saponins ypsilandroside B (1), ypsilandroside A (2), isoypsilandroside A (4), and isoypsilandroside B (5), as well as the new steroidal sapogenin isoypsilandrogenin (3), were isolated from the whole plant of Ypsilandra thibetica FRANCH. Their structures were determined on the basis of spectroscopic analyses, including extensive 2D-NMR techniques. The structure and relative configuration of ypsilandroside B (=(3 beta,12 alpha,25R)-3-[(alpha-L-rhamnopyranosyl-(1 -> 2)-beta-D-apiofuranosyl)oxy]spirost-5-ene-12,27-diol; 1) was unequivocally determined by single-crystal X-ray diffraction. The antifungal and antibacterial activities of 1-5 towards various types of fungi and bacteria are reported.
出版日期: 2006
卷号: 3, 期号:11, 页码:1211-1218
语种: 英语
收录类别: SCI
学科分类: Biochemistry & Molecular Biology; Chemistry; Multidisciplinary
ISSN号: 1612-1872
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/2151
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, Hunnan, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Chinese Acad Med Sci, Inst Mat Med, Beijing 100050, Peoples R China

Recommended Citation:
Xie, BB; Liu, HY; Ni, W; Chen, CX; Lu, Y; Wu, L; Zheng, QT.Five new steroidal compounds from Ypsilandra thibetica,CHEMISTRY & BIODIVERSITY,2006,3(11):1211-1218
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