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来自维基百科,自由的百科全书
門策吡喃酮合成(Mentzer pyrone synthesis)指多元酚和 β-酮酯發生熱環化縮合作用得到羥基色酮和羥基香豆素。[1][2][3][4][5][6]
例如,2,4-二甲氧基苯酚與苯甲酰乙酸乙酯在280℃加熱8小時得6,8-二甲氧基黃酮。
可用丙二酸酯代替β-酮酯,但丙二酸酯與酚類縮合時只生成羥基香豆素。
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