A new dibenzofuran named 1,2,4-trimethyl-7,8-dimethoxy-dibenzofuran (1), together with seven known compounds, euparin (2), 2,5-diacetyl-6-hydroxy-benzofuran (3), 2-acetyl-5,6-dimethoxy-benzofuran (4), gummosogenin (5), lupeol (6), stigmasterol (7) and (E)-2,5-dihydroxy-cinnamic acid (8), were isolated from the roots of Ligularia caloxantha, a Chinese medicinal plant. The structures of the compounds were elucidated by spectroscopic methods.
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A new dibenzofuran and other constituents from Ligularia caloxantha, a Chinese medicinal plant.
Nat Prod Res
May 2008
Department of Traditional Chinese Medicine and Natural Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
A new dibenzofuran named 1,2,4-trimethyl-7,8-dimethoxy-dibenzofuran (1), together with seven known compounds, euparin (2), 2,5-diacetyl-6-hydroxy-benzofuran (3), 2-acetyl-5,6-dimethoxy-benzofuran (4), gummosogenin (5), lupeol (6), stigmasterol (7) and (E)-2,5-dihydroxy-cinnamic acid (8), were isolated from the roots of Ligularia caloxantha, a Chinese medicinal plant. The structures of the compounds were elucidated by spectroscopic methods.
View Article and Find Full Text PDF[Identification of commercial Chinese medicine ziwan].
Zhongguo Zhong Yao Za Zhi
July 1998
Department of Pharmacognosy, China Pharmaceutical University, Nanjing 210038.
Objective: Commercial samples of Ziwan have been investigated and identified to find out the original species in circulation.
Method: Comparative histological and morphological identification.
Result: The main original plant species are Aster tataricus, Ligularia fischeri, L.
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