New Sesquiterpenes from Two<i>Ligularia Species</i>
Hai-Ruo PengInstitute of Organic Chemistry, State Key Laboratory of Applied Organic Chemistry at Lanzhou University, Lanzhou 730000, People's Republic of ChinaYanping ShiZhong‐Jian Jia
1997es
ABI
Abstract
Further phytochemical investigation of the roots of Ligularia sagitta afforded two new eremophilane sesquiterpene acids, and from the roots of Ligularia nelumbifolia, two new guaiane sesquiterpenes were isolated. Their structures were elucidated by spectroscopic methods including 2D NMR techniques and chemical transformations.
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