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Two new acylated flavonoid glycosides from Morina nepalensis var. alba Hand.-Mazz.
Teng, RW; Xie, HY; Li, HZ; Liu, XK; Wang, DZ; Yang, CR
AbstractFrom 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.
KeywordNmr 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
Subject AreaChemistry, Multidisciplinary ; Chemistry, Physical ; Spectroscopy
Indexed BySCI
WOS Research AreaChemistry ; Spectroscopy
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Spectroscopy
WOS IDWOS:000175746300007
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Univ Melbourne, Sch Bot, Melbourne, Vic 3010, Australia
2.Chinese Acad Sci, Kunming Inst Bot, Yunnan 650204, Peoples R China
Recommended Citation
GB/T 7714
Teng, RW,Xie, HY,Li, HZ,et al. Two new acylated flavonoid glycosides from Morina nepalensis var. alba Hand.-Mazz.[J]. MAGNETIC RESONANCE IN CHEMISTRY,2002,40(6):415-420.
APA Teng, RW,Xie, HY,Li, HZ,Liu, XK,Wang, DZ,&Yang, CR.(2002).Two new acylated flavonoid glycosides from Morina nepalensis var. alba Hand.-Mazz..MAGNETIC RESONANCE IN CHEMISTRY,40(6),415-420.
MLA Teng, RW,et al."Two new acylated flavonoid glycosides from Morina nepalensis var. alba Hand.-Mazz.".MAGNETIC RESONANCE IN CHEMISTRY 40.6(2002):415-420.
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