A new dibenzofuran and other constituents from Ligularia caloxantha, a Chinese medicinal plant |
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| Authors: | Shi Shu-Yun Hu Ming-Hui Wu Di-Yao Zhou Chang-Xin Mo Jian-Xia Xu Juan-Hua Chen Liu-Rong Dou Hui Peng Hua Hao Xiao-Jiang Stöckigt Joachim Zhao Yu |
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| Affiliation: | Department of Traditional Chinese Medicine and Natural Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China. |
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| Abstract: | 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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