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Complete assignment of H-1 and C-13 NMR data for nine protopanaxatriol glycosides
Teng, RW; Li, HZ; Chen, JT; Wang, DZ; He, YN; Yang, CR
2002-07-01
发表期刊MAGNETIC RESONANCE IN CHEMISTRY
ISSN0749-1581
卷号40期号:7页码:483-488
摘要Nine protopanaxatriol glycosides isolated from mild acid hydrolysis products of crude root saponins of Panax notoginseng were identified as 20(R)-ginsenoside-Rh1, 20(S)-ginsenoside-Rh1, ginsenoside-Rg1, -Re and -Rg2, notoginsenoside-R2 and -R1, a mixture of 25-hydroxy-20(S)-ginsenoside-Rh1 and its C-20 (R) epimer, ginsenoside-Rh4. The complete assignments of the H-1 and C-13 NMR chemical shifts for these glycosides were obtained by means of 2D NMR techniques, including H-1-H-1 COSY, ROESY, HMQC, HMBC and HMQC-TOCSY spectra. The glycosylation shift effect of protopanaxatriol and the differences in chemical shifts between 20(R)- and 20(S)-protopanaxatriol isomers are also discussed. Except for ginsenoside-Re and -Rg2, complete NMR assignments of the other seven glycosides are reported for the first time. Copyright (C) 2002 John Wiley Sons, Ltd.
关键词Nmr H-1 Nmr C-13 Nmr 2d Nmr Protopanaxatriol Glycoside Panax Notoginseng Complete Nmr Assignments Glycosylation Shift Effect
学科领域Chemistry, Multidisciplinary ; Chemistry, Physical ; Spectroscopy
DOI10.1002/mrc.1033
收录类别SCI
语种英语
WOS研究方向Chemistry ; Spectroscopy
WOS类目Chemistry, Multidisciplinary ; Chemistry, Physical ; Spectroscopy
WOS记录号WOS:000176373300013
引用统计
被引频次:68[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/14235
专题离退休
作者单位Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
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GB/T 7714
Teng, RW,Li, HZ,Chen, JT,et al. Complete assignment of H-1 and C-13 NMR data for nine protopanaxatriol glycosides[J]. MAGNETIC RESONANCE IN CHEMISTRY,2002,40(7):483-488.
APA Teng, RW,Li, HZ,Chen, JT,Wang, DZ,He, YN,&Yang, CR.(2002).Complete assignment of H-1 and C-13 NMR data for nine protopanaxatriol glycosides.MAGNETIC RESONANCE IN CHEMISTRY,40(7),483-488.
MLA Teng, RW,et al."Complete assignment of H-1 and C-13 NMR data for nine protopanaxatriol glycosides".MAGNETIC RESONANCE IN CHEMISTRY 40.7(2002):483-488.
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