作为医药中间体或原料药,用于相关药物的合成(基于专利文献中作为中间体或产物的应用)。
医药
合成路线 1(1. 合成:33787-05-2)
产率:80%
合成条件:With hydrogen In ethanol at 20℃; for 24 h;
实验步骤:步骤4将2(S) - 苯基氧基甲基氨基-3-(2,6-二氟苯基)丙酸在50psi的乙醇(25mL)中,在5%活性炭载钯(600mg)存在下氢化24小时。 通过CELITE过滤除去催化剂,蒸发溶剂,得到残余物,将其从乙醚中结晶,得到2(S)-2,6-二氟苯基丙氨酸(2.2g,11mmol,80%收率NMR(DMSO-d6): 6 7.28(M,1H),7.0(t,J = 7.6Hz,2H),2.77(M,2H).MS:202.2(M + 1),199.7(M-1)。
参考文献:
- [1] Patent: WO2005/28429, 2005, A2. Location in patent: Page/Page column 56 [2] Patent: WO2003/97617, 2003, A1. Location in patent: Page/Page column 43-44 [3] Patent: WO2004/108661, 2004, A1. Location in patent: Page/Page column 40 [4] Patent: WO2005/28454, 2005, A1. Location in patent: Page/Page column 43-44 [5] Patent: WO2006/34004, 2006, A2. Location in patent: Page/Page column 57 [6] Patent: WO2004/838, 2003, A1. Location in patent: Page 63