Planta Medica, Table of Contents Planta Med 1997; 63(4): 335-338DOI: 10.1055/s-2006-957695 Papers Natural Product Chemistry © Georg Thieme Verlag Stuttgart · New York New Sesquiterpenes from Two Ligularia Species Hai-Ruo Peng, Yan-Ping Shi, Zhong-Jian Jia Institute of Organic Chemistry, State Key Laboratory of Applied Organic Chemistry at Lanzhou University, Lanzhou 730000, People's Republic of China Recommend Article Abstract PDF Download Buy Article Abstract Further phytochemical investigation of the roots of Ligularia sagitta afforded two new eremophilane sesquiterpene acids (1, 2), and from the roots of Ligularia nelumbifolia, two new guaiane sesquiterpenes (3, 4) were isolated. Their structures were elucidated by spectroscopic methods including 2D NMR techniques and chemical transformations. Key words Ligularia sagitta - Ligularia nelumbifolia - Compositae - sesquiterpenes - eremophilanes PDF (300 kb)
