化学合成。
化学合成
合成路线 1(1. 合成:101184-73-0)
产率:96%
合成条件:With sodium hydride In N,N-dimethyl-formamide at 0 - 10℃; for 1 h;
实验步骤:在0℃下将45g(1100mmol)氢化钠(60%在矿物油中的分散体)分批加入到100g(510mmol)4-溴苯基乙腈在1500ml N,N-二甲基甲酰胺中的溶液中。在搅拌下在氩气流中。然后,在0℃下在搅拌下向其中滴加95ml(1500mmol)甲基碘,并将混合物在10℃下搅拌1小时。反应完成后,将反应溶液逐渐倒入900g饱和氯化铵水溶液中,然后向其中加入500ml水,用2000ml乙酸乙酯萃取混合物。用饱和氯化钠水溶液洗涤有机层,用无水硫酸钠干燥,减压浓缩,得到110g标题化合物,为深棕色油状物质(收率:96%)。 Rf值:0.78(正己烷:乙酸乙酯= 1:1(v / v))质谱(CI,m / z):224,226(M + +1)1H-NMR谱(CDCl3,δppm): 1.71(s,6H),7.32-7.38(m,2H),7.49-7.54(m,2H)
参考文献:
- [1] Journal of Medicinal Chemistry, 2008, vol. 51, # 24, p. 7953 - 7967 [2] Patent: US2009/12123, 2009, A1. Location in patent: Page/Page column 5 [3] Patent: US2010/197591, 2010, A1. Location in patent: Page/Page column 29 [4] Patent: EP1870099, 2007, A1. Location in patent: Page/Page column 7-8 [5] Patent: US2012/108574, 2012, A1. Location in patent: Page/Page column 111 [6] Patent: WO2018/149419, 2018, A1. Location in patent: Paragraph 00704 [7] Organic Letters, 2013, vol. 15, # 3, p. 690 - 693 [8] Patent: US4705854, 1987, A [9] Farmaco, 1999, vol. 54, # 9, p. 600 - 610 [10] Patent: WO2015/105779, 2015, A1. Location in patent: Page/Page column 18; 19 [11] Patent: US2016/333005, 2016, A1. Location in patent: Paragraph 0069-0070 [12] Journal of the American Chemical Society, 2013, vol. 135, # 50, p. 18778 - 18781 [13] Journal of Medicinal Chemistry, 1995, vol. 38, # 10, p. 1608 - 1628 [14] Patent: WO2008/20203, 2008, A1. Location in patent: Page/Page column 70 [15] Patent: WO2008/18827, 2008, A1. Location in patent: Page/Page column 37-38 [16] Patent: US2002/193410, 2002, A1 [17] Patent: WO2010/10184, 2010, A1. Location in patent: Page/Page column 61; 62; 98 [18] Patent: US2012/157383, 2012, A1. Location in patent: Page/Page column 84 [19] Patent: US2013/109639, 2013, A1. Location in patent: Paragraph 0407-0408 [20] Patent: WO2013/55984, 2013, A1. Location in patent: Paragraph 00356 [21] Patent: WO2014/125408, 2014, A2. Location in patent: Page/Page column 27 [22] Patent: US2017/137385, 2017, A1. Location in patent: Paragraph 0230; 0231; 0232; 0233 [23] Patent: WO2018/98499, 2018, A1. Location in patent: Page/Page column 165
合成路线 2(2. 合成:101184-73-0)
产率:96%
合成条件:Stage #1: With sodium hydride In N,N-dimethyl-formamide at 0℃; Stage #2: at 0 - 10℃; for 1 h;
实验步骤:(参考例1)1-溴-4-(1-氰基-1-甲基乙基)苯(参考化合物1-1)的合成分开加入氢化钠(矿物油中的60%分散体)(45g,1,100mmol)在0℃,搅拌下在氩气流中,加入100g(510mmol)4-溴苯基乙腈在1,500ml N,N-二甲基甲酰胺中的溶液。然后在0℃下在搅拌下向其中滴加95ml(1,500mmol)甲基碘,然后在10℃下搅拌1小时。反应结束后,将反应溶液缓慢加入到900g饱和氯化铵水溶液中,然后加入500ml水,用2,000ml乙酸乙酯萃取。用饱和氯化钠水溶液洗涤有机层,用无水硫酸钠干燥,真空浓缩,得到110g标题化合物,为深棕色油状物。 (收率:96%)。 Rf值:0.78(正己烷:乙酸乙酯= 1:1(v / v))质谱(CI,m / z):224,226(M + +1)1H-NMR谱(CDCl3,δppm): 1.71(s,6H),7.32-7.38(m,2H),7.49-7.54(m,2H)
参考文献:
- [1] Patent: EP1679308, 2006, A1. Location in patent: Page/Page column 29