1-(3-吡啶基)-3-(二甲氨基)-2-丙烯-1-酮是一类重要的有机合成反应中间体,广泛应用于医药、天然产物及功能材料等诸多领域。
医药; 天然产物; 功能材料
合成路线 1(1. 合成:55314-16-4)
产率:92%
合成条件:at 90 - 95℃; for 2 h;
实验步骤:实施例-2:3-二甲基氨基-1-吡啶-3-基丙烯酮的制备方法A:加热3-乙酰基吡啶(25g,0.20mol),N,N-二甲基甲酰胺二甲基缩醛(37g,0.31mol)和乙酸(2.5ml) 在90-95℃下连续2小时,连续除去甲醇。 反应完成后,在真空下蒸馏出反应中形成的过量甲醇。 将所得残余物用水稀释并用二氯甲烷(125ml)萃取。 用水洗涤有机层并在真空下完全蒸馏出,得到34g(92%)标题化合物,HPLC纯度为99.1%。
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