125995-03-1
125995-03-1 结构式
基本信息
阿托伐他汀杂质H
阿托伐他汀钙杂质H
阿托伐他汀EP杂质H
阿托伐他汀钙EP杂质H
阿托伐他汀中间体L-6
阿托伐他汀D5硫丹内酯
(4R,6R)-6-{2-[2-(4-氟苯基)-5-异丙基-3-苯基-4-(苯基氨基甲酰基)吡咯-1-基]乙基}-4-羟基四氢-2H-吡喃-2-酮
5-(4-氟苯基)-2-(1-甲基-乙基)-N,4-二联苯-1-[2-[(2R,4R)-四氢-羟基-6-氧代-2H-吡喃-2-YL]乙基]-1H-吡咯-3-羧酸胺盐
Atorvastatin d-Lactone
Atorvastatin Impurity H
(RS) Atorvastatin Lactone
Atorvastatin EP IMpurity H
Atorvastatin EPIMp H (USP RCH)
Atorvastatin Calcium Impurity D
Diepoxide Atorvastatin Lactone Diepoxide
(4R,6R)-6-{2-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-4-hydroxytetrahydro-2H-pyran-2-one
1-[2-[[(2R)-Tetrahydro-4β-hydroxy-6-oxo-2H-pyran]-2α-yl]ethyl]-5-(4-fluorophenyl)-2-isopropyl-4,N-diphenyl-1H-pyrrole-3-carboxamide
物理化学性质
制备方法
134523-03-8
125995-03-1
以(3R,5R)-7-[2-(4-氟苯基)-5-异丙基-3-苯基-4-(苯基氨甲酰基)-1H-吡咯-1-基]-3,5-二羟基庚酸钙盐(500 mg,0.413 mmol)为原料,将其悬浮于水(8 mL)中,加入EtOAc(4 mL),并将混合物在冰浴(4°C)中冷却。在剧烈搅拌下,缓慢滴加0.2 M HCl水溶液(4.55 mL,0.910 mmol),直至形成澄清溶液。将反应混合物逐渐升温至室温,随后分离有机层和水层。水层用EtOAc(3×5 mL)萃取,合并有机层后用盐水(5 mL)洗涤,经无水Na2SO4干燥,过滤并减压浓缩。将所得泡沫状物(469 mg)溶解于甲苯(20 mL)中,混合物加热至0°C,并在Dean-Stark装置下回流2.5小时。反应完成后,将混合物冷却至室温并减压浓缩。通过快速柱色谱法(洗脱剂:庚烷/EtOAc,梯度从1:3至1:5)纯化,得到目标产物5-(4-氟苯基)-2-(1-甲基乙基)-N,4-二苯基-1-[2-[(2R,4R)-四氢-4-羟基-6-氧代-2H-吡喃-2-基]乙基]-1H-吡咯-3-甲酰胺(394 mg,白色泡沫状物)。核磁共振氢谱(400 MHz,CDCl3)δ 7.24-7.10(m,9H),7.09-6.96(m,5H),6.92-6.82(br s,1H),4.57-4.47(m,1H),4.34-4.27(m,1H),4.27-4.16(m,1H),4.09-3.97(m,1H),3.62-3.47(m,1H),2.66(ABdd,J = 17.7, 4.8 Hz,1H),2.55(ABddd,J = 17.7, 3.4, 1.5 Hz,1H),2.11(d,J = 2.9 Hz,1H),1.95-1.82(m,1H),1.81-1.67(m,2H),1.63-1.57(m,1H),1.56-1.45(m,6H)。
参考文献:
[1] Patent: WO2017/137469, 2017, A1. Location in patent: Page/Page column 62
[2] Patent: CN105085497, 2017, B. Location in patent: Paragraph 0115; 0116; 0117
