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题名: Two new acylated flavonoid glycosides from Morina nepalensis var. alba Hand.-Mazz.
作者: Teng, RW; Xie, HY; Li, HZ; Liu, XK; Wang, DZ; Yang, CR
刊名: MAGNETIC RESONANCE IN CHEMISTRY
关键词: NMR ; H-1 NMR ; C-13 NMR ; 2D NMR ; Morina nepalensis var. alba Hand.-Mazz. ; whole plant ; monepalin A ; monepalin B ; flavonoid glycosides ; Chinese medicinal herbs
英文摘要: From the whole plant of Morina nepalensis var. alba Hand.-Mazz., two new acylated flavonoid glycosides (1 and 2), together with four known flavonoid glycosides (3-6), were isolated. Their structures were determined to be quercetin 3-O-[2"'-O-(E)-caffeoyl]-alpha-L-arabinopyranosyl-(1-->6)-beta-D-galactopyranoside (monepalin A, 1), quercetin 3-O-[2"'-O-(E)-caffeoyl]-alpha-L-arabinopyranosyl-(1-->6)-beta-D-glucopyranoside (monepalin B, 2), quercetin 3-O-alpha-L-arabinopyranosyl-(1-->6)-beta-D-galactopyranoside (rumarin, 3), quercetin 3-O-beta-D-galactopyranoside (4), quercetin 3-O-beta-D-glucopyranoside (5) and apigenin 4'-O-beta-D-glucopyranoside (6). Their structures were determined on the basis of chemical and spectroscopic evidence. Complete assignments of the H-1 and C-13 NMR spectra of all compounds were achieved from the 2D NMR spectra, including H-H COSY, HMQC, HMBC and 2D HMQC-TOCSY spectra. Copyright (C) 2002 John Wiley Sons, Ltd.
出版日期: 2002-06-01
卷号: 40, 期号:6, 页码:415-420
DOI标识: 10.1002/mrc.1034
语种: 英语
ISSN号: 0749-1581
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/14233
Appears in Collections:离退休_期刊论文

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作者单位: 1.Univ Melbourne, Sch Bot, Melbourne, Vic 3010, Australia
2.Chinese Acad Sci, Kunming Inst Bot, Yunnan 650204, Peoples R China

Recommended Citation:
Teng, RW; Xie, HY; Li, HZ; Liu, XK; Wang, DZ; Yang, CR.Two new acylated flavonoid glycosides from Morina nepalensis var. alba Hand.-Mazz.,MAGNETIC RESONANCE IN CHEMISTRY,2002,40(6):415-420
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