化学合成。
化学合成
合成路线 1(1. 合成:77542-18-8)
产率:95%
合成条件:at 0 - 20℃; for 6 h;
实验步骤:步骤1:1-乙基-1-甲基 - 哌啶-4-酮碘化物的制备[显示图像]将甲基碘(18.4g,0.118mol)加入到1-乙基哌啶-4-酮的溶液中(10.0g,0.078) 在0℃下,在丙酮(200mL)中的摩尔数)。 将反应混合物在室温下搅拌6小时。 将反应混合物真空浓缩,得到标题化合物,为黄色固体(20g,95%)。 1 H NMR(DMSO-d6,400MHz)δ3.72(t,J = 6.52Hz,4H),3.58(q,J = 7.28,7.28Hz,2H),3.17(s,3H),2.77-2.60(m ,4H),1.29(t,J = 7.20Hz,3H)。
参考文献:
- [1] Journal of Medicinal Chemistry, 2004, vol. 47, # 12, p. 2973 - 2976 [2] Journal of Medicinal Chemistry, 2003, vol. 46, # 2, p. 255 - 264 [3] Patent: WO2005/60947, 2005, A2. Location in patent: Page/Page column 42 [4] Patent: EP2508526, 2012, A1. Location in patent: Page/Page column 52-53 [5] Patent: WO2012/130915, 2012, A1. Location in patent: Page/Page column 64 [6] Patent: WO2013/82490, 2013, A1. Location in patent: Paragraph 0108 [7] Patent: WO2005/60947, 2005, A2. Location in patent: Page/Page column 42 [8] Journal of Organic Chemistry, 1995, vol. 60, # 14, p. 4324 - 4330 [9] Patent: WO2014/153529, 2014, A1. Location in patent: Page/Page column 62 [10] Journal of the Chemical Society, 1949, p. 708,712 [11] Patent: US2003/92712, 2003, A1 [12] Patent: US6274735, 2001, B1 [13] Patent: WO2006/77424, 2006, A1. Location in patent: Page/Page column 185 [14] Patent: WO2006/77425, 2006, A1. Location in patent: Page/Page column 185 [15] Patent: WO2006/77428, 2006, A1. Location in patent: Page/Page column 162 [16] Patent: WO2008/130584, 2008, A1. Location in patent: Page/Page column 164-165 [17] Patent: WO2009/37293, 2009, A1. Location in patent: Page/Page column 54-55 [18] Patent: WO2009/37294, 2009, A1. Location in patent: Page/Page column 68 [19] Patent: WO2007/107565, 2007, A1. Location in patent: Page/Page column 70 [20] Patent: WO2008/119715, 2008, A1. Location in patent: Page/Page column 57-58 [21] Patent: WO2008/119720, 2008, A1. Location in patent: Page/Page column 51 [22] Patent: WO2008/119713, 2008, A1. Location in patent: Page/Page column 55-56 [23] Patent: WO2007/107566, 2007, A1. Location in patent: Page/Page column 69 [24] Patent: WO2007/107567, 2007, A1. Location in patent: Page/Page column 49-50; 62
合成路线 2(2. 合成:77542-18-8)
产率:86%
合成条件:at 20℃; for 4 h;
实验步骤:实施例55(f)-3-氯-4 - ((1-(1-苯基乙基)哌啶-4-基)氧基) - / - (噻唑-2-基)苯磺酰胺2,2,2-的合成 三氟乙酸盐步骤1. 1-乙基-1-甲基-4-氧代哌啶-1-碘化物的制备1-甲基哌啶-4-酮(13.8mL,120mmol)在丁-2-酮(70mL)中的溶液 加入碘乙烷(10.6mL,132mmol),将反应混合物在环境温度下搅拌4天。 过滤混合物,将得到的固体真空干燥,得到标题化合物,为橙色固体(27.8g,86%收率):H NMR(300MHz,D20)£3.52-3.38(m,6H),3.05(s ,3H),2.17-1.99(m,4H),1.34(t,J = 7.3Hz,3H); MS(ES +)m / z 142.2(M + 1)。
参考文献:
- [1] Green Chemistry, 2017, vol. 19, # 3, p. 614 - 618 [2] ChemMedChem, 2015, vol. 10, # 7, p. 1249 - 1258 [3] Patent: WO2017/201468, 2017, A1. Location in patent: Page/Page column 163 [4] Organic Process Research and Development, 2012, vol. 16, # 1, p. 109 - 116 [5] Bioorganic and Medicinal Chemistry, 2010, vol. 18, # 21, p. 7675 - 7699