门策吡喃酮合成
门策吡喃酮合成(Mentzer pyrone synthesis)指多元酚和 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
- C. Mentzer, W. Molho and P. Vercier, Compt. Rend. 232, 1488 (1951)
- C. Mentzer and P. Vercier, Compt. Rents. 232, 1674 (1952)
- D. Pillon, ibid. 234, 444 (1952)
- D. Pillon, Bull, Soc. Chim. France 1954, 9
- R. N. Lacey, J. Chem. Soc. 1954, 856
- T. S. Wheeler et al., Chem. & Ind. 1955, 1672
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