CN Patent

CN110590754A — 一种马来酸阿法替尼中间体的制备方法

Assigned to Guangdong Annol Pharmaceutical Co Ltd · Expires 2019-12-20 · 6y expired

What this patent protects

本发明属于药物制备技术领域,具体涉及一种马来酸阿法替尼中间体的制备方法。本发明的马来酸阿法替尼中间体结构如式AF‑Ⅰ所示,由N 4 ‑(3‑氯‑4‑氟苯基)‑7‑[[(3S)‑四氢‑3‑呋喃基]氧基]‑4,6‑喹唑啉二胺与二乙基磷乙酸反应得到式AF‑Ⅱ化合物,再加入二甲氨基乙缩醛二乙醇与式AF‑Ⅱ化合物发生Horner‑Wadsworth‑Emmons反应而得。本发明的马来酸阿法替尼中间体制备时间短,收率高,马来酸阿法替尼中间体的收率达到95%以上,且杂质含量低,具有较高的经济价值和社会效益。

USPTO Abstract

本发明属于药物制备技术领域,具体涉及一种马来酸阿法替尼中间体的制备方法。本发明的马来酸阿法替尼中间体结构如式AF‑Ⅰ所示,由N 4 ‑(3‑氯‑4‑氟苯基)‑7‑[[(3S)‑四氢‑3‑呋喃基]氧基]‑4,6‑喹唑啉二胺与二乙基磷乙酸反应得到式AF‑Ⅱ化合物,再加入二甲氨基乙缩醛二乙醇与式AF‑Ⅱ化合物发生Horner‑Wadsworth‑Emmons反应而得。本发明的马来酸阿法替尼中间体制备时间短,收率高,马来酸阿法替尼中间体的收率达到95%以上,且杂质含量低,具有较高的经济价值和社会效益。

Drugs covered by this patent

Patent Metadata

Patent number
CN110590754A
Jurisdiction
CN
Classification
Expires
2019-12-20
Drug substance claim
No
Drug product claim
No
Assignee
Guangdong Annol 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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