７‐Ｏ‐Ｍｅｔｈｙｌ‐ｌｕｔｅｏｎｅのＢｏｔｒｙｔｉｓ　ｃｉｎｅｒｅａによる代謝産物

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  • Metabolites of 7-O-methyl-luteone from Botrytis cinerea.
  • 7 O Methyl luteone ノ Botrytis cinerea ニ

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An antifungal isoflavone 7-O-methyl-luteone [5, 2', 4'-trihydroxy-7-methoxy-6-(3, 3-dimethylallyl) isoflavone, 2] was metabolized in cultures of Botrytis cinerea. The substrate was transformed into dihydropyrano-isoflavone [(+)-3] and 2, 3-dihydrodihydroxyprenyl-isoflavone [(-) (2 S)-5] as major metabolites. Asmall quantity of dihydrofurano-isoflavone (4) was also yielded. However the initial intention to detecting a possible metabolic intermediate, 7-O-methyl-luteone epoxide, from 2 to 3_??_5 was unsuccessful.

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