Complete 1H and 13C data assignments of two new guaianolides isolated from Ainsliaea fragrans

被引：17
|
作者：
Li, Xingshang [1 ]
Liu, Jiangyun [1 ]
Cai, Jinna [1 ]
Cai, Peilie [1 ]
机构：
[1] Shanghai Zhongchuang Med Sci & Technol Co Ltd, Shanghai 201203, Peoples R China
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 2008年 / 46卷 / 11期
关键词：
NMR; H-1; C-13; 2D NMR; Ainsliaea fragrans; sesquiterpene lactones; guaianolides; 8; alpha-hydroxy-11; alpha; 13-dihydroglucozaluzanin C; 11;
D O I：
10.1002/mrc.2294
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two new guaianolides, 8 alpha-hydroxy-11 alpha,13-dihydroglucozaluzanin C and 11 alpha,13-dihydroglucozaluzanin C, were isolated from Ainsliaea fragrans, along with two known guaianolides, 8 alpha-hydroxy-11 alpha,13-dihydrozaluzanin C and gluco,zaluzanin C. The structures of the new compounds were unambiguously established by HR-ESI-MS, one-dimensional (1D) (DEPT), two-dimensional (2D) (H-1-H-1 COSY, HSQC, HMBC, ROESY) NMR experiments and by comparison with structurally related compounds. The known compounds were identified by comparison of spectral data with published references. Some NMR data of the known compounds were reported for the first time. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码：1070 / 1073
页数：4
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