CN Patent

CN109851556A — 仑伐替尼或其甲磺酸盐药物杂质的制备方法

Assigned to Yangtze River Pharmaceutical Group Co Ltd · Expires 2019-06-07 · 7y expired

What this patent protects

本发明公开了仑伐替尼或其甲磺酸盐杂质的制备方法,所述制备方法包括:以4‑氯‑7‑甲氧基喹啉‑6‑酰胺为原料,在催化剂作用下,与4‑氨基‑3‑氯苯酚盐酸盐进行取代反应,得到4‑((2‑氯‑4‑羟基苯基)氨基)‑7‑甲氧基喹啉‑6‑甲酰胺;所述仑伐替尼或其甲磺酸盐杂质如式(I)所示,R的定义详见说明书。通过所述制备方法为首次通过化学合成得到仑伐替尼或其甲磺酸盐杂质。且可以高效、快速分离得到目标化合物。

USPTO Abstract

本发明公开了仑伐替尼或其甲磺酸盐杂质的制备方法,所述制备方法包括:以4‑氯‑7‑甲氧基喹啉‑6‑酰胺为原料,在催化剂作用下,与4‑氨基‑3‑氯苯酚盐酸盐进行取代反应,得到4‑((2‑氯‑4‑羟基苯基)氨基)‑7‑甲氧基喹啉‑6‑甲酰胺;所述仑伐替尼或其甲磺酸盐杂质如式(I)所示,R的定义详见说明书。通过所述制备方法为首次通过化学合成得到仑伐替尼或其甲磺酸盐杂质。且可以高效、快速分离得到目标化合物。

Drugs covered by this patent

Patent Metadata

Patent number
CN109851556A
Jurisdiction
CN
Classification
Expires
2019-06-07
Drug substance claim
No
Drug product claim
No
Assignee
Yangtze River Pharmaceutical Group 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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