生命科学。
生命科学
合成路线 1(1. 合成:3181-38-2)
产率:82%
合成条件:With dmap; triethylamine In acetonitrile at 20℃; for 1 h;
实验步骤:向肌苷(10g,37.3mmol)和催化DMAP在MeCN(60mL)中的悬浮液中加入Et 3 N(20mL,143mmol)和乙酸酐(12.5mL),并将所得溶液在环境温度下搅拌1小时,然后加入 MeOH(5mL)。 搅拌5分钟后,将溶液真空浓缩,得到白色固体,用异丙醇洗涤,得到三乙酰氧基肌苷(12.1g,82%)。
参考文献:
- [1] Organic and Biomolecular Chemistry, 2005, vol. 3, # 3, p. 462 - 470 [2] Synthesis, 2003, # 17, p. 2639 - 2642 [3] Journal of the American Chemical Society, 1997, vol. 119, # 32, p. 7423 - 7433 [4] Journal of Organic Chemistry, 1985, vol. 50, # 15, p. 2664 - 2667 [5] Chemistry - A European Journal, 2015, vol. 21, # 33, p. 11634 - 11643 [6] Synlett, 2006, # 20, p. 3474 - 3478 [7] Journal of the Brazilian Chemical Society, 2010, vol. 21, # 5, p. 859 - 866 [8] Journal of applied chemistry of the USSR, 1984, vol. 57, # 9 pt 2, p. 1991 - 1992 [9] Patent: WO2005/54269, 2005, A1. Location in patent: Page/Page column 14 [10] Journal of Medicinal Chemistry, 2007, vol. 50, # 4, p. 782 - 793 [11] Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990, # 11, p. 2937 - 2942 [12] Journal of Labelled Compounds and Radiopharmaceuticals, 2000, vol. 43, # 1, p. 11 - 28 [13] Monatshefte fur Chemie, 2003, vol. 134, # 6, p. 851 - 873 [14] Patent: EP2407474, 2012, A1. Location in patent: Page/Page column 5 [15] Journal of Medicinal Chemistry, 2015, vol. 58, # 15, p. 6248 - 6263
合成路线 2(2. 合成:3181-38-2)
产率:70%
合成条件:With sodium hydroxide In water at 20℃; for 4 h;
实验步骤:一般步骤:将核苷/核苷酸(2; 100mM)和N-乙酰基咪唑(1a; 10当量)溶解在水中(pH8;用4MNaOH调节)。 将溶液在室温下温育。 持续4小时,定期获得NMR光谱。 通过反相(C18)闪式色谱法(在pH4用100mM NH 4 HCO 2 / MeCN = 98:2至80:20洗脱)纯化产物。 将含有5的级分冻干,得到白色粉末。
参考文献:
- [1] Synlett, 2017, vol. 28, # 1, p. 78 - 83