Caespitenone,a new cyclopropanoid pseudoguaiane and ent-sesquiterpenes from Porella species |
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| Authors: | Yoshinori Asakawa Akira Yamamura Takeshi Waki Tsunematsu Takemoto |
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| Affiliation: | 1. Institute of Pharmacognosy, Tokushima Bunri University, Yamashiro-cho, 770 Tokushima, Japan;2. Chemical Laboratory, Faculty of Education, Tokushima University, Minamijosanjima, 770 Tokushima, Japan |
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| Abstract: | Six Porella species and one Macvicaria species have been investigated and a new cyclopropane pseudoguaiane was isolated and its structure elucidated by chemical and spectral evidence. Macvicaria ulophylla and the Porella species, except P. caespitans ssp. setigera, contain the diterpene dialdehyde, perrottetianal A. (+)-Aristolone, (?)-α-eudesmol, and related sesquiterpene hydrocarbons and alcohols, enantiomeric to those found in higher plant, have been isolated from the Porella species. |
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| Keywords: | Hepaticae caespitenone pseudoguaiane (+)-aristolone (?)-α-eudesmol diterpene dialdehyde monoterpenoids. |
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