Bibenzyls from Radula tokiensis and R. Japonica |
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| Authors: | Yoshinori Asakawa Reiji Takeda Masao Toyota Tsunematsu Takemoto |
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| Affiliation: | 1. Institute of Pharmacognosy, Tokushima Bunri University, Yamashiro-cho, 770 Tokushima, Japan;2. Suntry Institute for Bioorganic Chemistry, Wakayamadai, Shimamoto-cho, Mishima-gun, 618 Osaka, Japan |
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| Abstract: | A new bibenzyl having a dihydrooxepin ring was isolated from the acetone extract of the liverwort Radula tokiensis, together with the previously known 5 bibenzyls and 3 sesquiterpenes, trans-β-farnesene, cuparene and (Jcuparenol. Two known bibenzyls were isolated from R. japonica. The bibenzyl derivatives are significant chemosystematic markers of the Radulaceae. |
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| Keywords: | Jungermanniales Hepaticae bibenzyls dihydrooxepin ring chemosystematics. |
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