作为中间体用于医药合成(如抗疟药物等)
医药
合成路线 1(1. 合成:1032903-50-6)
产率:95%
合成条件:at 60℃; for 16 h;
实验步骤:将2-氯-4-氟-5-硝基苯(25g,131mmol)溶解在异丙醇(250mL)中,并向其中加入碳酸铯(208g,659mmol)。 将反应混合物在60℃下搅拌16小时。 将反应混合物冷却至室温,并将反应混合物减压浓缩。 将残余物溶于乙酸乙酯(250mL)中,然后加入水(250mL)。 将分离的有机相用无水硫酸钠干燥,过滤,并将滤液减压浓缩。 通过硅胶柱色谱法(石油醚:乙酸乙酯= 19:1)纯化残余物,得到黄色固体13-d(28.7g,产率:95%).1H-NMR(400MHz,DMSO-d6)δ:7.90( d,J = 0.6Hz,1H),7.52(s,2H),7.86(m,1H),2.30(s,3H),1.27(d,J = 6Hz,6H)ppm。
参考文献:
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