42186-06-1
42186-06-1 结构式
基本信息
2-(4-BroMo-phenyl)-propionitrile
Benzeneacetonitrile, 4-bromo-α-methyl-
物理化学性质
制备方法
16532-79-9
74-88-4
42186-06-1
实施例649 2-(4-溴苯基)丙腈的合成:将2-(4-溴苯基)乙腈(5.0 g,25.5 mmol)溶于无水THF(70 mL)中,冷却至0℃。在搅拌下分批加入氢化钠(60 wt%,1.5 g,38.3 mmol)。反应混合物在室温下搅拌1小时。随后,加入甲基碘(1.8 mL,28.1 mmol),继续搅拌14小时。反应完成后,小心地在0℃下用水淬灭反应,并用乙酸乙酯(200 mL)稀释。分离有机层,用无水硫酸钠干燥,过滤后浓缩。残余物通过柱色谱法(硅胶,0-30%乙酸乙酯/庚烷梯度洗脱)纯化,得到目标产物2-(4-溴苯基)丙腈(3.8 g,72%),为黄色油状物。ESI MS m/z 210 [C9H8BrN + H]+。
参考文献:
[1] Journal of the American Chemical Society, 2015, vol. 137, # 19, p. 6156 - 6159
[2] Patent: WO2011/123419, 2011, A1. Location in patent: Page/Page column 386
[3] Patent: WO2017/139778, 2017, A1. Location in patent: Paragraph 00487
[4] Patent: US2013/331375, 2013, A1. Location in patent: Paragraph 0178
[5] Patent: WO2018/140876, 2018, A1. Location in patent: Page/Page column 113; 115
