化学合成;材料科学。
化学合成; 材料科学
合成路线 1(1. 合成:581065-95-4)
产率:96%
合成条件:With palladium 10% on activated carbon; hydrogen In methanol at 20℃; for 1 h;
实验步骤:1-氨基-3,6,9,12-四氧杂十五烷-15-酸叔丁酯(5)的合成:向4(18g,51.8mmol)的MeOH(100mL)溶液中加入Pd / C(10%,300mg)并将混合物用H 2吹扫并在H 2气球下在室温下搅拌1小时。 然后将混合物通过硅藻土过滤并用MeOH(20mL)洗涤。 浓缩滤液,得到黄色油状产物5(16g,96%)。 ESI m / z:322(M + H)+。
参考文献:
- [1] Patent: WO2017/147542, 2017, A2. Location in patent: Paragraph 00165 [2] Carbohydrate Research, 2007, vol. 342, # 3-4, p. 541 - 557 [3] Journal of Chemical Research, 2016, vol. 40, # 6, p. 368 - 370 [4] Patent: US2004/1838, 2004, A1 [5] Patent: WO2005/112919, 2005, A2. Location in patent: Page/Page column 150 [6] Patent: WO2012/166560, 2012, A1. Location in patent: Page/Page column 183 [7] Patent: WO2013/192360, 2013, A1. Location in patent: Paragraph 00526 [8] Patent: WO2013/185117, 2013, A1. Location in patent: Paragraph 00512 [9] Patent: WO2018/89373, 2018, A2. Location in patent: Paragraph 0638; 0642
合成路线 2(2. 合成:581065-95-4)
产率:50 g
合成条件:With ammonium hydroxide; tetrabutylammomium bromide In dichloromethane at 40℃; for 24 h;
实验步骤:将步骤(2)中得到的150g磺酰化粗产物加入200ml二氯甲烷中,然后加入100g氢氧化铵,10g四丁基溴化铵,升温至40℃,搅拌24h。反应结束,旋转干燥,加入 3M盐酸,调节PH = 3,用300ml二氯甲烷,萃取2次,然后用氢氧化钠溶液调节PH = 9,然后用400ml二氯甲烷萃取三次,用无水硫酸钠干燥,旋转干燥,50g 获得氨基封端的产物.NMR数据如下:
参考文献:
- [1] Patent: WO2012/166560, 2012, A1 [2] Patent: WO2013/192360, 2013, A1 [3] Patent: WO2013/185117, 2013, A1 [4] Patent: CN107235848, 2017, A. Location in patent: Paragraph 0021