35354-37-1
35354-37-1 结构式
物理化学性质
制备方法
951405-21-3
35354-37-1
1-溴-5-甲基己烷(25)的合成:向搅拌的LiBr(6.26 g,72.0 mmol)的DMF(40 mL)溶液中缓慢加入化合物24(6.60 g,24.4 mmol)的DMF(6 mL)溶液。将反应混合物在45℃下持续搅拌3小时。反应完成后,加入水(100 mL)淬灭反应,并用乙醚(5 × 250 mL)多次萃取反应产物。合并有机相,减压浓缩除去溶剂,得到粗产物。经纯化后,得到目标产物25(2.40 g,13.4 mmol,收率55%)。产物结构经1H NMR(400 MHz,CDCl3)δ 0.88(6H,d,J = 6.6 Hz),1.19(2H,m),1.42(2H,m),1.54(1H,m),1.83(2H,m),3.41(2H,t,J = 6.9 Hz);13C NMR(100 MHz,CDCl3)δ 22.5, 26.0, 27.8, 33.1, 34.1, 38.0;MS(EI)m/z 179(M+,80),163(14),155(9),137(100);精确质量计算值C6H12Br([M-CH3]+)163.0122,实测值163.0121确认。
参考文献:
[1] Patent: US2007/238705, 2007, A1. Location in patent: Page/Page column 9; 13
[2] Patent: US2007/238701, 2007, A1. Location in patent: Page/Page column 12
[3] Patent: US2007/238702, 2007, A1. Location in patent: Page/Page column 11
[4] Patent: US2007/238706, 2007, A1. Location in patent: Page/Page column 9; 12

