CN Patent

CN112979544B — 一种卡博替尼或其盐的制备方法

Assigned to Jiangsu Simcere Pharmaceutical Co Ltd · Expires 2024-06-28 · 2y expired

What this patent protects

本发明涉及卡博替尼或其盐的制备方法,本发明的方法是以式I化合物和1‑(4‑氟苯基氨基甲酰基)环丙烷羧酸为原料,于有机溶剂中在缩合剂和有机碱存在下反应,反应结束后,用碱性水溶液和水洗涤,浓缩至干,用有机溶剂重结晶,得到卡博替尼。本发明涉及的制备方法与其他制备方法相比,原料便宜易得,避开了刺激性溶剂、硝化等危险工艺,本申请的后处理方法获得的卡博替尼收率高,纯度高,单杂少,适用于大规模工业化生产。

USPTO Abstract

本发明涉及卡博替尼或其盐的制备方法,本发明的方法是以式I化合物和1‑(4‑氟苯基氨基甲酰基)环丙烷羧酸为原料,于有机溶剂中在缩合剂和有机碱存在下反应,反应结束后,用碱性水溶液和水洗涤,浓缩至干,用有机溶剂重结晶,得到卡博替尼。本发明涉及的制备方法与其他制备方法相比,原料便宜易得,避开了刺激性溶剂、硝化等危险工艺,本申请的后处理方法获得的卡博替尼收率高,纯度高,单杂少,适用于大规模工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN112979544B
Jurisdiction
CN
Classification
Expires
2024-06-28
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Simcere Pharmaceutical Co Ltd
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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