CN Patent

CN105218445B — 一种酪氨酸激酶抑制剂Foretinib的制备方法

Assigned to Jiangsu Zhongbang Pharmaceutical Coltd · Expires 2018-05-22 · 8y expired

What this patent protects

本发明提供了一种络氨酸酶抑制剂Foretinib的制备方法,即1,1‑环丙基二羧酸二乙酯选择性水解后与对氟苯胺酰胺化得到如式4所示的化合物,水解后再与4‑氨基‑2‑氟苯酚酰胺化得到如式6所示的化合物,4‑氯‑6‑甲氧基‑7‑喹啉醇与N‑(3‑氯丙基)吗啉发生取代得到如式8所示的化合物,如式6所示的化合物与如式8所示的化合物取代后得到目标产物N‑[3‑氟‑4‑({6‑(甲基氧基)‑7‑[(3‑吗啉‑4‑基丙基)氧基]‑喹啉‑4‑基}氧基)苯基]‑N’‑(4‑氟苯基)环丙烷‑1,1‑二甲酰胺粗品,该粗品在乙醇/丙酮溶液中重结晶得到高纯度产品,总收率44‑55…

USPTO Abstract

本发明提供了一种络氨酸酶抑制剂Foretinib的制备方法,即1,1‑环丙基二羧酸二乙酯选择性水解后与对氟苯胺酰胺化得到如式4所示的化合物,水解后再与4‑氨基‑2‑氟苯酚酰胺化得到如式6所示的化合物,4‑氯‑6‑甲氧基‑7‑喹啉醇与N‑(3‑氯丙基)吗啉发生取代得到如式8所示的化合物,如式6所示的化合物与如式8所示的化合物取代后得到目标产物N‑[3‑氟‑4‑({6‑(甲基氧基)‑7‑[(3‑吗啉‑4‑基丙基)氧基]‑喹啉‑4‑基}氧基)苯基]‑N’‑(4‑氟苯基)环丙烷‑1,1‑二甲酰胺粗品,该粗品在乙醇/丙酮溶液中重结晶得到高纯度产品,总收率44‑55%。本发明方法过程简单易行,原料易得,总收率高,产品质量好,适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN105218445B
Jurisdiction
CN
Classification
Expires
2018-05-22
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Zhongbang Pharmaceutical Coltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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