Four eremophil-9-en-8-one derivatives from Cremanthodium stenactinium samples collected in China |
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| Authors: | Saito Yoshinori Ichihara Mayu Okamoto Yasuko Gong Xun Kuroda Chiaki Tori Motoo |
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| Institution: | Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514 Japan. |
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| Abstract: | Two samples of Cremanthodium stenactinium (Asteraceae) were collected in Sichuan Province, China. From the ethyl acetate extracts of the roots, three new eremophilane-type sesquiterpenoids and one new trinoreremophilane compound were isolated, together with other known eremophilanes. Their structures were determined based on the spectroscopic data. This is the first report of isolation of eremophilane-type compounds from the genus Cremanthodium. |
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