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Isoflavonoids from the roots of Erythrina poeppigiana |
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| Authors: | Tanaka Hitoshi Oh-Uchi Tomoko Etoh Hideo Shimizu Hiroshi Tateishi Yoichi |
| Institution: | a Faculty of Pharmacy, Meijo University, Yagoto, Tempaku-ku, Nagoya 468-8503, Japan b Faculty of Agriculture, Shizuoka University, Shizuoka 422-8529, Japan c Gifu Pharmaceutical University, 6-1 Mitahora-higashi 5 chome, Gifu 502-8585, Japan d Faculty of Education, University of the Ryukyus 903-0129, Okinawa, Japan |
| Abstract: | Five isoflavonoids, 7,4′-dihydroxy-2′-methoxy-8-(γ,γ-dimethylallyl)isoflav-3-ene, 4′-hydroxy-2′-methoxy-6″,6″-dimethylpyran2″,3″:7,8]isoflav-3-ene, 5,7,4′-trihydroxy-2′-methoxy-5′-(γ,γ-dimethylallyl)isoflavanone, 5,4′-dihydroxy-7,2′-dimethoxy-5′-(γ,γ-dimethylallyl)isoflavanone and 3,9-dihydroxy-4-(γ,γ-dimethylallyl)pterocarpene as well as six known compounds were isolated from the roots of Erythrina poeppigiana. Their structures were established on the basis of spectroscopic evidence. |
| Keywords: | Erythrina poeppigiana Leguminosae Isoflavonoids Isoflav-3-enes Isoflavanones Erypoegins A–E |
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