6-Demethylvignafuran as a phytoalexin of Tetragonolobus maritimus |
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| Authors: | John L. Ingham Paul M. Dewick |
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| Affiliation: | Phytochemical Unit, Department of Botany, University of Reading, Reading RG6 2AS, England;Department of Pharmacy, University of Nottingham, Nottingham NG7 2RD, England |
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| Abstract: | A phytoalexin isolated from the fungus-inoculated leaves of Tetragonolobus maritimus has been identified as 6-demethylvignafuran (2-[4-hydroxy-2-methoxyphenyl]-6-hydroxybenzofuran). The synthesis of 6-demethyl-vignafuran and two isomeric benzofurans is described. The presence of 3,9-dihydroxypterocarp-6a-ene in T. maritimus is also reported. |
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| Keywords: | Leguminosae Loteae 2-arylbenzo-furan pterocarpene phytoalexin antifungal activity isoflavonoid benzofuran synthesis. |
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