Eremophilane,bakkane, secoeremophilane,and secobakkane sesquiterpenoids from Ligularia virgaurea collected in China |
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| Authors: | Yoshinori Saito Saori Iga Kie Hoshiyama Katsuyuki Nakashima Yasuko Okamoto Chiaki Kuroda Xun Gong Motoo Tori |
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| Institution: | 1. Graduate School of Biomedical Sciences, Nagasaki University, Bunkyo-machi, Nagasaki 852-8521, Japan;2. Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan;3. Department of Chemistry, Rikkyo University, Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan;4. Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, China |
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| Abstract: | Secobakkane B (C-6/C-7 cleaved secobakkane type aldehyde), secovirgaurenols B and C (C-8/C-9 cleaved secoeremophilane type), a 1β,10β-epoxyfuranoeremophilane, two 1β,10β-epoxyeremophilanolides, and fukinospirolide C (bakkane-type lactone), as well as 33 known compounds were isolated from three samples of Ligularia virgaurea collected in China. Two of the three analyzed samples were grouped in the neoadenostylone (N) type, and the rest, a mixture of the 6-hydroxyeuryopsyn (H) and cacalol (C) types, out of five chemotypes found in this species. |
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| Keywords: | Ligularia virgaurea Asteraceae Eremophilane Bakkane Sesquiterpene Diversity |
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