化学合成
化学合成
路线1:以3,6-二氯哒嗪和N-BOC-哌嗪为原料
- 原料:3,6-二氯哒嗪(57.3g,385mmol)、N-BOC-哌嗪(71.6g,358mmol)、N,N-二异丙基乙胺(66.9mL,385mmol)、1,4-二恶烷(250mL)
- 条件:在1,4-二恶烷中,80℃搅拌过夜
- 步骤:将3,6-二氯哒嗪溶于1,4-二恶烷,加入N-BOC-哌嗪和N,N-二异丙基乙胺,80℃搅拌过夜;减压浓缩后,残余物溶于乙酸乙酯(3L),依次用10%柠檬酸溶液、水和饱和食盐水洗涤;有机层浓缩后,残余物经乙酸乙酯重结晶得产品
- 收率:88%
- 产物表征:1H NMR(400MHz,CDCl3)δppm1.25(9H,s),3.26-3.47(8H,m),6.67(1H,d,J=9.6Hz),7.00(1H,d,J=9.6Hz);MS(ESI)m/z:299.0 [M+H]+
- 参考文献:
- Patent: US2015/353542, 2015, A1. Location in patent: Paragraph 0539
- Patent: EP3305785, 2018, A1. Location in patent: Paragraph 0204; 0205
- Patent: WO2017/197051, 2017, A1. Location in patent: Page/Page column 299
- Journal of Medicinal Chemistry, 2012, vol. 55, # 11, p. 5361 - 5379
- Patent: US2005/176722, 2005, A1. Location in patent: Page/Page column 19
- Patent: WO2008/44022, 2008, A1. Location in patent: Page/Page column 77-78
- Bioorganic and Medicinal Chemistry Letters, 2008, vol. 18, # 19, p. 5299 - 5302
- Patent: US2004/180878, 2004, A1. Location in patent: Page/Page column 38
- Patent: WO2011/54841, 2011, A1. Location in patent: Page/Page column 45-46
- Patent: US2012/208798, 2012, A1. Location in patent: Page/Page column 19