化学合成。
医药; 农药
合成路线 1(1. 合成:872509-56-3)
产率:76%
合成条件:With water; potassium hydroxide In ethanol at 90℃; for 48 h;
实验步骤:将2N氢氧化钾水溶液(400mE)加入到N-(2,6-二氯-3,5-二甲氧基苯基)乙酰胺(34.5g,131mmol)的乙醇(600mE)溶液中后,得到反应混合物 在90℃下搅拌。 回流2天。 将混合物溶液冷却至室温并在用冰水冷却至0℃后再搅拌1小时。过滤产生的固体,用冷乙醇/水(1:1)混合溶剂洗涤,然后干燥,得到 目标化合物(22.1g,76%收率)。 1 H NMR(400MHz,DMSO-d5)δ6.21(s,1H),5.40(s,2H),3.83(s,6H)。
参考文献:
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