900175-01-1
900175-01-1 结构式
基本信息
1-(3-BroMo-4-fluorophenyl)ethanol
1-(3-bromo-4-fluorophenyl)ethan-1-ol
3-bromo-4-fluoro-2-methylBenzenemethanol
Benzenemethanol, 3-bromo-4-fluoro-α-methyl-
制备方法
1007-15-4
900175-01-1
以1-(3-溴-4-氟苯基)乙-1-酮为原料合成1-(3-溴-4-氟苯基)乙醇的一般步骤:向1-(3-溴-4-氟苯基)乙-1-酮(10g,46mmol)的四氢呋喃(THF,100mL)和甲醇(1.0mL)混合溶液中分批加入硼氢化钠(2.1g,55.5mmol)。将反应混合物加热至70℃并维持1小时,随后冷却至室温。反应完成后,用1N盐酸溶液(100mL)淬灭反应,并用乙酸乙酯(EtOAc,3×100mL)进行萃取。合并有机相,用饱和食盐水洗涤,无水硫酸镁(MgSO4)干燥,减压浓缩。粗产物通过硅胶柱色谱法纯化,得到1-(3-溴-4-氟苯基)乙醇(9.8g,收率97%)。1H NMR(400MHz,CDCl3)δppm:1.48(d,J=6.15Hz,3H),7.24-7.33(m,1H),7.59(dd,J=6.59,2.20Hz,1H)。
参考文献:
[1] Patent: WO2006/76246, 2006, A2. Location in patent: Page/Page column 155
[2] Patent: US2007/3539, 2007, A1. Location in patent: Page/Page column 80
[3] Tetrahedron Letters, 2007, vol. 48, # 31, p. 5471 - 5474
[4] European Journal of Organic Chemistry, 2011, # 23, p. 4409 - 4414
[5] Patent: WO2018/81047, 2018, A1. Location in patent: Page/Page column 185