1235865-75-4
1235865-75-4 结构式
基本信息
苯甲酸4-氟-2-(1H-吡咯并[2,3-B]吡啶-5-基氧基)-甲酯
2-[(1H-吡咯并[2,3-B]吡啶-5-基)氧基]-4-氟苯甲酸甲酯
ABT199中间体,2-[(1H-吡咯并[2,3-B]吡啶-5-基)氧基]-4-氟苯甲酸甲酯
METHYL 4-FLUORO-2-{1H-PYRROLO[2,3-B]PYRIDIN-5-YLOXY}BENZOATE ABT-199中间体
ABT-199 Intermediate
ABT199 intermediates
ABT199 intermediate 3
Venetoclax Intermediate 3
methyl 4-fluoro-2-{1H-pyrrolo[2,3-b]pyridin-5-yloxy}benzoate
Methyl 2-((1H-pyrrolo[2,3-b]pyrin- 5-yl)oxy)-4-fluorobenzoate
methyl 2-((1H-pyrrolo[2,3-b]pyridin-5-yl)oxy)-4-fluorobenzoate
Methyl-2-((1H-pyrrolo[2,3-b]pyridine-5-yl)oxy)-4-fluorobenzoate
Benzoic acid, 4-fluoro-2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)-, methyl ester
物理化学性质
制备方法
98549-88-3
106614-28-2
1235865-75-4
以1H-吡咯并[2,3-b]吡啶-5-醇和2,4-二氟苯甲酸甲酯为原料合成2-((1H-吡咯并[2,3-b]吡啶-5-基)氧基)-4-氟苯甲酸甲酯的一般步骤:向配备有搅拌器的三颈烧瓶中加入5-羟基-7-氮杂吲哚(100 g,746 mmol)、2,4-二氟苯甲酸甲酯(141 g,821 mmol)、磷酸钾(237 g,1.12 mol)和二乙二醇二甲醚(500 mL)。将反应混合物加热至110℃,反应24小时,期间通过HPLC监测反应进度。反应完成后,将反应液浓缩至干。向残留物中加入乙酸乙酯(2 L)和水(2 L),充分搅拌后分离有机相。有机相用无水硫酸钠干燥,过滤后浓缩,得到粗产物。将粗产物溶于适量乙酸乙酯(1260 mL)中,加热至回流。随后,将溶液缓慢滴加到石油醚(1260 mL)中,滴加过程持续1小时。滴加完毕后,继续搅拌1小时,然后缓慢冷却至25℃。过滤收集析出的固体,干燥后得到浅白色固体产物163 g,收率76.5%,HPLC纯度为98%。
参考文献:
[1] Patent: CN107089981, 2017, A. Location in patent: Paragraph 0033; 0034; 0035; 0036
[2] Patent: CN108658983, 2018, A. Location in patent: Paragraph 0110; 0111; 0112
[3] Patent: CN106565706, 2017, A. Location in patent: Paragraph 0188; 0189; 0190
[4] Patent: WO2017/212431, 2017, A1. Location in patent: Page/Page column 57; 58
[5] Patent: WO2018/29711, 2018, A2. Location in patent: Page/Page column 32; 33

