- 2-(2-BOC-氨基乙氧基)乙醇可用作医药合成中间体
- 危险处理
如果吸入2-(2-BOC-氨基乙氧基)乙醇,请将患者移到新鲜空气处;如果皮肤接触,应脱去污染的衣着,用肥皂水和清水彻底冲洗皮肤,如有不适感,就医;如果眼晴接触,应分开眼睑,用流动清水或生理盐水冲洗,并立即就医;如果食入,立即漱口,禁止催吐,应立即就医。
医药
合成路线 1(1. 合成:139115-91-6)
产率:100%
合成条件:at 20℃;
实验步骤:化合物100的制备:在室温下,向2-(2-氨基乙氧基)乙醇(2.10g,20mmol)的CH 2 Cl 2(40mL)溶液中加入二碳酸二叔丁酯(4.36g,20mmol)。 通过TLC监测反应。 当反应完成时,浓缩内容物并通过柱色谱法(50-70%EtOAc /己烷)纯化,得到化合物100,为无色油状物(4.21g,100%)。 分析型TLC(硅胶60),80%EtOAc的正己烷溶液,Rf = 0.30; NMR(400MHz,CDCl 3)δ5.28(br s,1H),3.74(br t,/ = 4.1Hz,2H),3.59-3.54(m,4H),3.32-3.28(m,2H),3.08(br s,1H),1.44(s,9H); 13 C NMR(100MHz,CDCl 3)δ156.1,79.2,72.2,70.2,61.5,40.3,28.3; IR(CH 2 Cl 2)3228(br),3035,2927,2855,1523cm -1; LRMS(ESI)m / z 228.0(M + + Na); HRMS(ESI)计算值C 9 H 20 NO 4(M + + H)m / m z 206.1392,发现206.1390。
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合成路线 2(2. 合成:139115-91-6)
产率:78%
合成条件:Stage #1: With sodium hydrogencarbonate In dichloromethane; water at 20℃; for 0.17 h; Stage #2: at 20℃;
实验步骤:将2-(2-氨基乙氧基)乙醇(10.5g,0.1mol)和NaHCO 3(12.6g,0.15mol)加入到100mL CH 2 Cl 2和100mL H 2 O中。 将溶液在室温下搅拌10分钟,然后加入二碳酸二叔丁酯(21.8g,0.1mol)。 将得到的溶液在室温下搅拌过夜,然后用CH 2 Cl 2(3.x.100mL)萃取。 合并有机相,用无水硫酸钠干燥,真空蒸发。 将残余物进行硅胶柱色谱(CH 2 Cl 2:CH 3 OH = 50:110:1),得到2-(2-t-Boc-氨基乙氧基)乙醇(1)(16.0g,78mmol,收率78%)
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