Structure elucidation and complete NMR spectral assignments of two new sesquiterpene lactone xylosides from Lactuca triangulata

被引：13

作者：

Michalska, Klaudia ^{[1
]}

Zylewski, Marek ^{[2
]}

Kisiel, Wanda ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Pharmacol, Dept Phytochem, PL-31343 Krakow, Poland

[2] Jagiellonian Univ, Dept Organ Chem, NMR Lab, PL-30688 Krakow, Poland

来源：

MAGNETIC RESONANCE IN CHEMISTRY | 2008年 / 46卷 / 12期

关键词：

NMR; H-1; C-13; 2D NMR; Lactuca triangulata; sesquiterpene lactones; xylosides; guaianolides;

D O I：

10.1002/mrc.2323

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two new sesquiterpene lactone xylosides, derivatives of the guaianolides 9 alpha-hydroxyleucodin and 9 alpha-hydroxy-11, 13-dehydroleucodin, were isolated from roots of Lactuca triangulata. Their structures were established on the basis of H-1 and C-13 NMR spectra, 2D NMR (HMQC, HMBC, COSY, NOESY) techniques and comparison with the literature data. The compounds represent the first example of sesquiterpene lactone xylosides. Copyright (C) 2008 John Wiley & Sons, Ltd.

引用

页码：1185 / 1187

页数：3

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