化学合成。
化学合成
合成路线 1(1. 合成:3279-95-6)
产率:78%
合成条件:With hydrazine In methanol at 70℃; for 1.50 h;
实验步骤:13B。2-(氨氧基)乙-1- olH2N。 将实施例13a的产物(15.57g,75.2mmol)和水合肼(5.4mL,0.11mol)的甲醇(150mL)溶液加热至70℃,保持1.5小时。 冷却至室温后,将CHCl 3(100mL)加入到反应混合物中。 过滤所得浆液并用CHCl 3(100mL×2)洗涤。 浓缩滤液,残余物在75-80℃真空(0.025mmHg)下蒸馏,得到无色油状物(4.54g,收率78%); 1H NMR(300MHz,CDCl3)δ3.78(s,4H); 13 C NMR(75MHz,CDCl 3)δ76.3,60.7。
参考文献:
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