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题名: Indole Alkaloids from the Leaves of Rauvolfia yunnanensis
作者: Geng Chang-An1, 2; Liu Xi-Kui1
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
关键词: Rauvolfia yunnanensis ; Indole alkaloid ; 19-Ethoxyl-1-demethyl-Delta '-acetylajmaline ; Caberine ; Reserpine ; Yohimbine
英文摘要: Rauvolfia yuananensis Tsiang are commonly used as a folklore herb to treat hypertension, snake bites, and insanity in the southwest of China, and an important industrial raw material of reserpine and vertical. But the wild resources of it reduced gradually in recent years, thus we have introduced and cultivated it to the arid-hot valley region of Yunnan Province, China, and investigated the chemical constituents variety of it for the sustainable utilization. The dried leaves powder (8.0 kg) of R. yunnanensis was extracted with 95% (volume fraction) EtOH(40 L x5, 8 h each), and led to the isolation of eleven indole alkaloids by column chromatography (silica, alumina and Sephadex LH-20 gel) methods. Their structures were identified as caberine (1), 19-ethoxyl-demethyl-Delta'-17-acetylajmaline(2), vellosimine(3), beta-yohimbine(4), yohimbine(5), vinorine(6), picrinine(7), nareline (8), akuammicine(9), strictamine(10), reserpine(11) by spectral analysis (UV, IR, MS and 1 D, 2D NMR), respectively. Among them, compound 2 was a new indole alkaloids, compounds 1, 8 and 9 were firstly isolated from this plant.
出版日期: 2010-04-10
卷号: 31, 期号:4, 页码:731-735
语种: 英语
收录类别: SCI
学科分类: Chemistry, Multidisciplinary
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/5038
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.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Geng, CA; Liu, XK.Indole Alkaloids from the Leaves of Rauvolfia yunnanensis,CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2010,31(4):731-735
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