门策吡喃酮合成

门策吡喃酮合成(Mentzer pyrone synthesis)指多元和 β-酮酯发生热环化缩合作用得到羟基色酮和羟基香豆素[1][2][3][4][5][6]

例如,2,4-二甲氧基苯酚与苯甲酰乙酸乙酯在280℃加热8小时得6,8-二甲氧基黄酮

可用丙二酸酯代替β-酮酯,但丙二酸酯与酚类缩合时只生成羟基香豆素。

参见

参考资料

  1. C. Mentzer, W. Molho and P. Vercier, Compt. Rend. 232, 1488 (1951)
  2. C. Mentzer and P. Vercier, Compt. Rents. 232, 1674 (1952)
  3. D. Pillon, ibid. 234, 444 (1952)
  4. D. Pillon, Bull, Soc. Chim. France 1954, 9
  5. R. N. Lacey, J. Chem. Soc. 1954, 856
  6. T. S. Wheeler et al., Chem. & Ind. 1955, 1672
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