Two new sesquiterpenes from Ligularia dictyoneura |
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| Authors: | Sha Li Hai Huang Jing Liu Tao Song Kai Wu Yifeng Han Min Xia |
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| Institution: | 1. Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, PR China;2. The Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, PR China |
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| Abstract: | The detailed investigation of the whole plant of Ligularia dictyoneura was performed during a search for unique chemical skeletons. One novel noreremophilane-type sesquiterpene, (4S, 5R, 8R, 10S)-1-nor-10-hydroxy-8-methoxyeremophil-7(11)-en-12,8-olide (1) and one new highly oxygenated eremophilane, 1β-angeloyloxy-6α, 10β-dihydroxyeremophil-7(11), 8-dien-12, 8-olide (2), were obtained. Their structures, including the absolute configuration, were elucidated by spectroscopic data and CD analysis. |
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| Keywords: | Asteraceae Noreremophilane sesquiterpene Structural elucidation |
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