67344-77-8
67344-77-8 结构式
基本信息
(3-溴苄基)甲基胺
N-甲基-3-溴苄胺
3-溴-N-甲基苄基胺
3-溴-N-甲基苯甲胺
3-溴-N-甲基苯甲酰胺
N-甲基-3-溴苄胺 10G
(3-BROMOBENZYL)METHY
3-BROMO-N-METHYLAMINE
(3-BROMOBENZYL)METHYLAMINE
N-Methyl-3-bromobenzylamine
3-BROMO-N-METHYLBENZYLAMINE
(3-Bromobenzyl)methylamine95%
(3-Bromobenzyl)Methylamine 95%
(3-BroMophenyl)-N-MethylMethanaMine
Benzenemethanamine, 3-bromo-N-methyl-
物理化学性质
制备方法
3132-99-8
74-89-5
67344-77-8
步骤B:在室温下,将3-溴苯甲醛(47.5 mL,0.4 mol)溶于甲醇(460 mL)中,随后加入甲胺的水溶液(35 mL,0.4 mol,40 wt%溶液)。将反应混合物冷却至0℃,并分批加入硼氢化钠(22 g,0.6 mol)。保持反应混合物在0℃下搅拌3.5小时,然后逐渐升温至室温。反应完成后,将混合物在减压下浓缩,随后用二氯甲烷和水进行分配。分离水层,并用二氯甲烷(3×)洗涤。合并有机相,依次用饱和碳酸氢钠溶液和盐水洗涤,然后用无水硫酸镁干燥。过滤后,减压浓缩有机相,得到目标产物N-甲基-3-溴苄胺(76 g,81%),为透明油状物。产物经1H NMR(300 MHz,CDCl3)表征:δ 7.48(d,J = 1.5 Hz,1H),7.40-7.37(m,1H),7.24-7.16(m,2H),3.73(s,2H),2.45(s,3H)。
参考文献:
[1] Patent: US2007/21408, 2007, A1. Location in patent: Page/Page column 94; 103
[2] Journal of Medicinal Chemistry, 1981, vol. 24, # 2, p. 140 - 145
[3] Patent: WO2009/149258, 2009, A2. Location in patent: Page/Page column 21; 48
[4] Patent: US2014/275101, 2014, A1. Location in patent: Paragraph 0072; 0145; 0146
[5] Patent: WO2015/127559, 2015, A1. Location in patent: Page/Page column 55; 56
