Structure elucidation and NMR spectral assignments of four neolignan glycosides from Osmanthus ilicifolius

被引：14
|
作者：
Machida, Koichi [1 ]
Sakamoto, Shigeaki [1 ]
Kikuchi, Masao [1 ]
机构：
[1] Tohoku Pharmaceut Univ, Aoba Ku, Sendai, Miyagi 9818558, Japan
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 2008年 / 46卷 / 10期
关键词：
NMR; (1)H; (13)C; Osmanthus ilicifolius; Oleaceae; 8-O-4'-neolignan glycoside;
D O I：
10.1002/mrc.2292
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Four new 8-O-4' type neolignan glycosides with enantiometric aglycones, (7S,8R)-erythro-guaiacylglycerol-beta-O-4'-sinapyl ether 9-O-beta-D-glucopyranoside (1), (7R,8S)-erythro-guaiacylglycerol-beta-O-4'-sinapyl ether 9-O-beta-D-glucopyranoside (2), (7S,8R)-erythro- syringylglycerol-beta-O-4'-sinapyl ether 9-O-beta-D-glucopyranoside (3) and (7R,8S)-erythro- syringylglycerol-beta-O-4'-sinapyl ether 9-O-beta-D-glucopyranoside (4), were isolated from the leaves of Osmanthus ilicifolius. Their structures were established on the basis of NMR, circular dichroism (CID), MS and chemical data. The NMR assignments for the compounds were carried out using (1)H, (13)C, COSY, HMQC, HMBC and NOESY NMR experiments. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码：990 / 994
页数：5
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