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Sesquiterpenoids from petasites fragrans |
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| Authors: | Kô Sugama Koji Hayashi Takashi Nakagawa Hiroshi Mitsuhashi Naotoshi Yoshida |
| Affiliation: | Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060 Japan |
| Abstract: | Chemical analysis of Petasites fragrans yielded the eremophilane type of sesquiterpenes: petasol, isopetasol, S-petasin, neo-S-petasin, and a mixture of petasol derivatives, with caffeic acid methyl ester and a mixture of phytosterols. Their structures were elucidated by chemical and spectroscopic methods. |
| Keywords: | Compositae Senecioneae eremophilane petasol isopetasol |
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