作为医药中间体,用于相关药物研发与合成(具体应用场景参考相关专利及文献)。
医药
合成路线 1(1. 合成:13490-32-9)
产率:93.5%
合成条件:Stage #1: With hydrogenchloride; sodium nitrite In water at 10℃; for 0.50 h; Cooling with ice Stage #2: With hydroxylamine hydrochloride; potassium hydroxide In water at 0℃; for 12.50 h; Reflux
实验步骤:将原料丙二腈(50.0g,0.76mol,1.0当量)加入到四颈瓶中并通过加热(约50℃)溶解。加入水(0.5L),在约10℃的冰水浴中加入,并加入分批加入亚硝酸钠(57.72g,0.83mol,1.1当量)。加入后,在10℃或更低的温度下滴加盐酸(6N,8.5mL)。将混合物在冰水浴中搅拌0.5小时。温度恒定,将上述反应溶液命名为A.H2NOH·HCl(158.4g,2.28mol,3.0当量)溶于水(255mL)中。氢氧化钾溶液(127.9g,2.28mol,3.0)向其中加入eq)水(255mL),加入混合物。将混合物在室温(25℃)下搅拌10分钟,将上述反应溶液指定为B.A的反应液为用冰水浴冷却至0℃-10℃,将B反应液滴加到A反应液中,滴加混合物,搅拌0.5小时。冰水浴,温度保持恒定,除去冰水浴,将混合物加热回流12小时。反应完成后,在冰水浴中滴加盐酸(6N,120mL)。 (0℃)调节pH = 7.继续搅拌40分钟,抽滤反应溶液,用水洗涤滤饼,排出滤饼。目标化合物(101g,产率:获得93.5%)。
参考文献:
- [1] Journal of the American Chemical Society, 2015, vol. 137, # 33, p. 10532 - 10535 [2] Patent: CN108727361, 2018, A. Location in patent: Paragraph 0150; 0152-0154 [3] Patent: TW2018/23219, 2018, A. Location in patent: Page/Page column 31; 32 [4] Journal of Labelled Compounds and Radiopharmaceuticals, 2015, vol. 58, # 4, p. 156 - 162 [5] Patent: WO2016/40458, 2016, A2. Location in patent: Page/Page column 25; 26 [6] Patent: WO2014/66834, 2014, A1. Location in patent: Paragraph 00184 [7] Patent: US2015/133674, 2015, A1. Location in patent: Paragraph 0270; 0271; 0272 [8] ACS Medicinal Chemistry Letters, 2017, vol. 8, # 5, p. 486 - 491 [9] Patent: CN108003112, 2018, A. Location in patent: Paragraph 0029; 0036; 0041; 0042; 0043 [10] Patent: WO2017/2078, 2017, A1. Location in patent: Page/Page column 19; 20 [11] ChemMedChem, 2018, vol. 13, # 1, p. 30 - 36 [12] ACS Medicinal Chemistry Letters, 2018, vol. 9, # 4, p. 312 - 317 [13] Chemistry - A European Journal, 2016, vol. 22, # 35, p. 12527 - 12532 [14] Patent: CN106967004, 2017, A. Location in patent: Paragraph 0018; 0045; 0046 [15] Patent: CN108101899, 2018, A. Location in patent: Paragraph 0007; 0017; 0035; 0038; 0039; 0040 [16] Patent: CN106883224, 2017, A. Location in patent: Paragraph 0055; 0056; 0057 [17] Patent: CN106866648, 2017, A. Location in patent: Paragraph 0060-0062 [18] Journal of Heterocyclic Chemistry, 1965, vol. 2, p. 253 - 255 [19] Chemistry - A European Journal, 2009, vol. 15, # 11, p. 2625 - 2634 [20] Journal of Medicinal Chemistry, 2009, vol. 52, # 23, p. 7364 - 7367 [21] Journal of Heterocyclic Chemistry, 2013, vol. 50, # 2, p. 381 - 385 [22] RSC Advances, 2015, vol. 5, # 27, p. 21422 - 21429 [23] Patent: CN105418534, 2016, A. Location in patent: Paragraph 0031; 0032; 0033; 0034; 0035; 0036; 0037; 0338 [24] Dalton Transactions, 2016, vol. 45, # 39, p. 15382 - 15389 [25] ChemPlusChem, 2017, vol. 82, # 11, p. 1315 - 1319 [26] Polyhedron, 2018, vol. 139, p. 148 - 154 [27] ChemPlusChem, 2018, vol. 83, # 5, p. 439 - 447 [28] CrystEngComm, 2018, vol. 20, # 30, p. 4321 - 4328 [29] Crystal Growth and Design, 2018, [30] Patent: WO2018/156443, 2018, A1. Location in patent: Page/Page column 28 [31] Dalton Transactions, 2018, vol. 47, # 36, p. 12661 - 12666 [32] Patent: CN108689958, 2018, A. Location in patent: Paragraph 0087-0089
合成路线 2(2. 合成:13490-32-9)
产率:93%
合成条件:With potassium hydroxide In water for 2 h; Reflux
实验步骤:将丙二腈(3.2g,48.5mmol)溶于70mL水中,加热至完全溶解。 冰水浴冷却的亚硝酸钠(3.8g,55mmol)和6N盐酸(0.6mL)溶液。 在冰浴中反应0.5小时后,将反应温热至室温2小时。 继续冰浴冷却反应,向反应溶液中滴加50%盐酸羟胺水溶液(9.9g,150mmol),搅拌半小时后,将反应升温至室温1小时。 将反应加热至回流2小时,反应完成,冰浴用盐酸调节至pH7.0 8mL6N。 过滤沉淀物,每次用水和乙酸乙酯洗涤,干燥,得到6.0g白色化合物,产率93%。
参考文献:
- [1] Patent: CN105481789, 2016, A. Location in patent: Paragraph 0147; 0149; 0150; 0151; 0152; 0153 [2] Journal of Heterocyclic Chemistry, 1965, vol. 2, p. 253 - 255 [3] Bulletin of the Korean Chemical Society, 2010, vol. 31, # 5, p. 1400 - 1402
合成路线 3(3. 合成:13490-32-9)
产率:90%
合成条件:Stage #1: With hydrogenchloride; sodium nitrite In waterCooling with ice Stage #2: Reflux
实验步骤:将丙二腈[Aldrich,产品号:M1407](320.5g,5mol)加入预热至45℃的水(7L)中并搅拌5分钟。将所得溶液在冰浴中冷却,加入亚硝酸钠(380g,5.5mol)。当温度达到10℃时,加入6N盐酸(55mL)。温度达到16℃时发生温和的放热反应.15分钟后,移除冷浴并将反应混合物在16-18℃下搅拌1.5小时。将反应混合物冷却至13℃和50%水溶液。一次性加入羟胺(990g,15mol)。温度升至26℃。当放热反应平息时,除去冷浴并在26-27℃下继续搅拌1小时,然后缓慢回流。将回流维持2小时,然后将反应混合物冷却过夜。将反应混合物在冰浴中搅拌,并在40分钟内分批加入6N盐酸(800mL)至pH 7.0。在5℃的冰浴中继续搅拌。通过过滤收集沉淀物,用水充分洗涤并在真空烘箱(50℃)中干燥,得到所需产物(644g,90%)。 C 3 H 6 N 5 O 2的LCMS(M + H)+:m / z = 144.0。 13C NMR(75MHz,CD3OD):δ156.0,145.9,141.3。
参考文献:
- [1] Patent: US9320732, 2016, B2. Location in patent: Page/Page column 36