Four new ursane-type saponins from Morina nepalensis var. alba

doi:10.1002/mrc.1060

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	Four new ursane-type saponins from Morina nepalensis var. alba
	Teng, RW; Xie, HY; Wang, DZ; Yang, CR
	2002-09-01
发表期刊	MAGNETIC RESONANCE IN CHEMISTRY
ISSN	0749-1581
卷号	40 期号:9 页码:603-608
摘要	Four new ursane-type saponins, monepalosides C-F, together with a known saponin, mazusaponin II, were isolated from Morina nepalensis var. alba Hand-Mazz. Their structures were determined to be 3-O-alpha-L-arabinopyranosyl-(1 --> 3)-[alpha-L-rhamnopyranosyl-(1 --> 2)]-alpha-L-arabinopyranosylpomolic acid 28-O-beta-D-glucopyranosyl-(1 --> 6)-beta-D-glucopyranoside (monepaloside C, 1), 3-O-alpha-L-arabinopyranosyl-(l --> 3)-[alpha-L-rhamnopyranosyl-(1 --> 2)]-beta-D-xylopyranosylpomolic acid 28-O-beta-D-glucopyranosyl-(1 --> 6)-beta-D-glucopyranoside (monepaloside D, 2), 3-O-alpha-L-arabinopyranosyl-(1 --> 3)-[beta-D-glucopyranosy-(1 --> 2)]-alpha-L-arabinopyranosylpomolic acid 28-O-beta-D-glucopyranosyl-(1 --> 6)-beta-D-glucopyranoside (monepaloside E, 3) and 3-O-beta-D-xylopyranosylpomolic acid 28-O-beta-D-glucopyranoside (monepaloside F, 4) on the basis of chemical and spectroscopic evidence. 2D NMR techniques, including H-1-H-1 COSY, HMQC, 2D HMQC-TOCSY, HMBC and ROESY, and selective excitation experiments, including SELTOCSY and SELNOESY, were utilized in the structure elucidation and complete assignments of H-1 and C-13 NMR spectra. Copyright (C) 2002 John Wiley Sons, Ltd.
关键词	Nmr H-1 Nmr C-13 Nmr 2d Nmr Morina Nepalensis Var. Alba Hand.-mazz. Dipsacaceae Monepalosides C-f Nmr Complete Assignments
学科领域	Chemistry, Multidisciplinary ; Chemistry, Physical ; Spectroscopy
DOI	10.1002/mrc.1060
收录类别	IC ; SCI
语种	英语
WOS记录号	WOS:000177489100009
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/14237
专题	离退休
作者单位	Chinese Acad Sci, Kunming Inst Bot, Yunnan 650204, Peoples R China
推荐引用方式 GB/T 7714	Teng, RW,Xie, HY,Wang, DZ,et al. Four new ursane-type saponins from Morina nepalensis var. alba[J]. MAGNETIC RESONANCE IN CHEMISTRY,2002,40(9):603-608.
APA	Teng, RW,Xie, HY,Wang, DZ,&Yang, CR.(2002).Four new ursane-type saponins from Morina nepalensis var. alba.MAGNETIC RESONANCE IN CHEMISTRY,40(9),603-608.
MLA	Teng, RW,et al."Four new ursane-type saponins from Morina nepalensis var. alba".MAGNETIC RESONANCE IN CHEMISTRY 40.9(2002):603-608.

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