The reaction of 3-hydroxyflavones with metal salts.

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概要

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• The reaction of 3-hydroxyflavones (<B>1a</B>–<B>d</B>) with lead(IV) acetate gave 1,2-diphenylethanediones (<B>2a</B>–<B>d</B>), 1,2-diphenyl-2-hydroxyethanones, 2-hydroxybenzoic acids (<B>7</B> and <B>9</B>), and benzoic acids (<B>8</B> and <B>10</B>), and the reaction with manganese(III) acetate yielded <B>2</B>, <B>7</B>, <B>8</B>, <B>9</B>, and <B>10</B>. In addition to <B>2</B>, <B>7</B>, and <B>10</B>, 6-methoxy-2-(4-methoxybenzoyloxy)-3(2<I>H</I>)-benzofuranone and 2-hydroxy-4-methoxybenzaldehyde were obtained in the reaction of <B>1c</B> with manganese(III) acetate. It has been established by the studies of <SUP>14</SUP><I>C</I>-labelled compounds that the C<SUB>(3)</SUB> in the 3-hydroxyflavone was lost during the reaction.

• 公益社団法人 日本化学会の論文

著者

• Hamado Mutsumi

  Department of Chemistry, Faculty of Science, Kumamoto University

関連論文

• The reaction of 3-hydroxyflavones with metal salts.

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