4-Pyrimidinamine, 2-chloro-N-methyl- (9CI)
4-Pyrimidinamine, 2-chloro-N-methyl- (9CI)
4-Pyrimidinamine, 2-chloro-N-methyl- (9CI) 性质
| 熔点 | 123-125 °C |
|---|---|
| 沸点 | 317.228±15.00 °C(Press: 760.00 Torr)(predicted) |
| 密度 | 1.338±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted) |
| 储存条件 | under inert gas (nitrogen or Argon) at 2–8 °C |
| 酸度系数(pKa) | 2.947±0.10(predicted) |
| 外观 | 白色至灰白色固体 |
4-Pyrimidinamine, 2-chloro-N-methyl- (9CI) 用途与合成方法
3934-20-1
74-89-5
66131-68-8
2-氯-N-甲基嘧啶-4-胺(18)的合成:在无水THF(50mL)中溶解2,4-二氯嘧啶(5.0g,33.79mmol),于-40℃下缓慢加入2.0M甲胺的THF溶液(42.2mL,84.48mmol)。反应混合物在0℃下搅拌4小时。反应完成后,将混合物在CHCl3/2-丙醇(4:1)和水之间进行分配。有机层用无水硫酸钠干燥,通过CELITE垫过滤,减压浓缩。粗产物通过硅胶柱色谱纯化(洗脱剂:100%二氯甲烷),得到2-氯-N-甲基嘧啶-4-胺(2.8g,收率58%)为白色固体。保留时间(Rt)=1.15min;1H NMR(600MHz,DMSO-d6)δ8.02(s,1H),6.22(m,1H),2.86(d,J=4.8Hz,3H)ppm;质谱(MS)m/z:144.12[M+1]。
参考文献:
[1] Patent: WO2016/23014, 2016, A2. Location in patent: Paragraph 00412-00413
[2] Patent: US2010/261727, 2010, A1. Location in patent: Page/Page column 30
[3] Bioorganic and Medicinal Chemistry Letters, 2006, vol. 16, # 13, p. 3510 - 3513
[4] Patent: WO2009/97474, 2009, A1. Location in patent: Page/Page column 26-27
[5] Bioorganic and Medicinal Chemistry Letters, 2009, vol. 19, # 5, p. 1349 - 1356
4-Pyrimidinamine, 2-chloro-N-methyl- (9CI) 价格(试剂级)
| 更新日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
|---|---|---|---|---|---|
| 2026-09-15 | XW026613168805 | 2-氯-4-甲氨基嘧啶 | 66131-68-8 | 10G | 979 |
| 2026-09-15 | XW026613168804 | 2-氯-4-甲氨基嘧啶 | 66131-68-8 | 5G | 490 |