1-Cbz-哌啶-4-甲酸乙酯主要用于医药领域,具体用途未在提供的信息中详细说明。
医药
合成路线1
- 原料:4-哌啶甲酸乙酯(87 g,0.55 mol)、氯甲酸苄酯(95 g,0.56 mol)、碳酸钠(60 g,0.57 mol)
- 溶剂:二氯甲烷(200 mL + 200 mL)
- 步骤:在冰浴冷却条件下,将氯甲酸苄酯的二氯甲烷溶液缓慢滴加到搅拌中的4-哌啶甲酸乙酯和碳酸钠的混合物中,滴加过程控制在70分钟内完成;反应混合物在室温下持续搅拌2.5天;随后通过Celte垫过滤;滤液经真空浓缩后,将残余物在2M盐酸水溶液和乙醚之间进行分配;分离有机层,用无水硫酸镁干燥,过滤并浓缩;最后,通过硅胶柱色谱法(洗脱剂:乙酸乙酯/异己烷)纯化残余物,得到目标产物。
- 收率:94%
- 表征数据:1H NMR(360 MHz,CDCl3):δ 7.40-7.27(5H,m),5.12(2H,s),4.22-3.99(2H,m),4.40(2H,q,J=7.4 Hz),2.93(2H,br t,J=11.6 Hz),2.45(2H,m),1.97-1.81(2H,m),1.74-1.56(2H,m),1.25(3H,t,J=7.4 Hz)
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