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Tetraflavonoid and biflavonoids from Aristolochia ridicula |
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| Authors: | Machado Marcos B Lopes Lucia M X |
| Institution: | São Paulo State University - UNESP, Instituto de Química, C.P. 355, 14801-970 Araraquara, São Paulo, Brazil |
| Abstract: | Biflavones, a chalcone-flavone, and a tetraflavonoid with a new carbon skeleton were isolated from the leaves of Aristolochia ridicula. Their structures were determined by chemical derivatizations and spectrometric analyses. |
| Keywords: | Aristolochia ridicula Aristolochiaceae Structural elucidation Flavonoid Biflavonoid Tetraflavonoid Chalcone-flavone Ridiculuflavone D Ridiculuflavonylchalcone B Ridiculuflavonylchalcone C |
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