The synthesis of new flavones with a 4H,10H-benzo[1,2-b:3,4-b']dipyran-4,10-dione skeleton and the light resistannce of these compounds.

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概要

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• Six analogous new flavones with a skeleton similar to arthraxin, which is a light-stable, natural, new flavone, have been synthesized by the use of a modification of Allan-Robinson's flavone synthesis. The structures of these compounds were elucidated by means of the Gibbs reaction, NMR, and mass spectrometry. The light resistance of these flavones was then examined by means of UV spectrometry. The results indicate that these flavones, with a 4<I>H</I>, 10<I>H</I>-benzo[1,2-<I>b</I> : 3,4-<I>b</I>′] dipyran-4,10-dione skeleton, in contrast with natural common flavonol and arthraxin, show a high resistance to light.

• 公益社団法人 日本化学会の論文

著者

• Sugiyama Noboru

  Department of Chemistry Faculty of Science Tokyo University of Education

• HIKICHI Hiroshi

  Fukushima Technical College

• KANETA Makoto

  Fukushima Technical College

• Endo Seiichi

  Fukushima Technical College

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