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Chemical structure and NMR of a new saponin from Dipsacus japonicus (Dipsacaceae)
Miao, ZC; Feng, R; Zhou, YX; Wei, F
关键词Dipsacus Japonicus Triterpenoid Saponin With Five Sugar Linkage Noe Difference Spectroscopy In rotatIng Frame 1d-semdy H-1-nmr Spectrum Of Sugar Residue
刊名ACTA BOTANICA SINICA
2000-04-01
42期:4页:421-426
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Biochemistry & Molecular Biology ; Plant Sciences
研究领域[WOS]Biochemistry & Molecular Biology ; Plant Sciences
英文摘要

A new triterpenoid saponin containing five sugars was isolated from the ethanolic root extract of Dipsacus japonicus Miq., and its structure was established as 3-O-[beta-D-glucopyranosyl (1-->4)] [alpha-L-rhamnopyransoyl (1 --> 3)]-beta-D-glucopyranosyl (1-->3)-alpha-L-rhamnopyranosyl (1-->2)-alpha-L-arabinopyranosyl-oleanoic acid. The sites of glycosylation and the sequence of sugars in the glycoside can be determined unambiguously and total assignment of severely overlapping proton resonance of sugar residues were achieved by a combined use of the 1D-SEMDY and NOE difference spectroscopy in rotating frame techniques, without having recourse to chemical degration or modification. The results showed that these new NMR techniques are very effective and convenient for the structure determination and spectral assignment of this class of compounds.

语种中文
WOS记录号WOS:000086853700015
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/56907
专题北京大学药学院
作者单位1.Acad Mil Med Sci, Natl Ctr Biomed Anal, Inst Pharmacol & Toxicol, Beijing 100850, Peoples R China
2.Beijing Med Univ, Sch Pharmaceut Sci, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Miao, ZC,Feng, R,Zhou, YX,et al. Chemical structure and NMR of a new saponin from Dipsacus japonicus (Dipsacaceae)[J]. ACTA BOTANICA SINICA,2000,42(4):421-426.
APA Miao, ZC,Feng, R,Zhou, YX,&Wei, F.(2000).Chemical structure and NMR of a new saponin from Dipsacus japonicus (Dipsacaceae).ACTA BOTANICA SINICA,42(4),421-426.
MLA Miao, ZC,et al."Chemical structure and NMR of a new saponin from Dipsacus japonicus (Dipsacaceae)".ACTA BOTANICA SINICA 42.4(2000):421-426.
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