201849-21-0
201849-21-0 结构式
基本信息
4-溴-2-氯-1-异丙基苯
4-溴-2-氯-1-异丙氧基苯
2-(4'-BROMO-2'-CHLOROPHENOXY)PROPANE
2-(4'-BROMO-2'-CHLOROPHENOXY)PROPANE
4-bromo-2-chloro-1-propan-2-yloxybenzene
Benzene, 4-bromo-2-chloro-1-(1-methylethoxy)-
制备方法
3964-56-5
75-26-3
201849-21-0
以4-溴-2-氯苯酚和2-溴丙烷为原料合成4-溴-2-氯-1-异丙氧基苯的一般步骤:在氮气保护下,向室温搅拌的4-溴-2-氯苯酚(50g)的N,N-二甲基甲酰胺(DMF)(250mL)溶液中一次性加入K2CO3(100g)和2-溴丙烷(136mL)。将反应混合物在85℃下搅拌16小时。反应完成后,冷却至室温,过滤反应混合物,并通过减压蒸馏除去滤液中的溶剂。将残余物溶解于乙醚(300mL)中,用水(6×100mL)洗涤有机相,随后用MgSO4干燥并浓缩,得到4-溴-2-氯苯基1-甲基乙基醚(D10)(56g)为黄色油状物。δH(CDCl3, 400MHz):1.37(6H, d),4.52(1H, m),6.82(1H, d),7.29(1H, m),7.50(1H, d)。
参考文献:
[1] Patent: WO2010/148649, 2010, A1. Location in patent: Page/Page column 85
[2] Patent: WO2011/113309, 2011, A1. Location in patent: Page/Page column 24-25
[3] Patent: US2011/269738, 2011, A1. Location in patent: Page/Page column 33
[4] Patent: WO2011/134280, 2011, A1. Location in patent: Page/Page column 66; 67
[5] Patent: US2013/12491, 2013, A1. Location in patent: Paragraph 0159; 0160