化学合成。
化学合成
合成路线 1（1. 合成：123367-26-0）
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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