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Planta Med 1997; 63(4): 335-338
DOI: 10.1055/s-2006-957695
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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
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1996

1996

Publikationsdatum:
04. Januar 2007 (online)

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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