CN Patent

CN114315808A — 一种高收率马来酸阿法替尼的制备方法

Assigned to XI'AN XINTONG PHARMACEUTICAL RESEARCH CO LTD · Expires 2022-04-12 · 4y expired

What this patent protects

本发明公开了一种高收率马来酸阿法替尼的制备方法,本发明公开的制备方法是通过以下步骤实现的:采用N‑4‑(3‑氯‑4‑氟苯基)‑7‑[[(3 S )‑四氢‑3‑呋喃基]氧基]‑4,6‑喹唑啉二胺作为起始物料,经过两步合成,两步精制和成盐最终合成得到符合药物质量要求的马来酸阿法替尼原料药。该路线反应简单,不涉及危险品,条件温和,易于控制,每步收率均较高,提纯方法不涉及用到柱层析这类工业上不好操作的方法,且工艺稳定,原料易得,适合工业生产。

USPTO Abstract

本发明公开了一种高收率马来酸阿法替尼的制备方法,本发明公开的制备方法是通过以下步骤实现的:采用N‑4‑(3‑氯‑4‑氟苯基)‑7‑[[(3 S )‑四氢‑3‑呋喃基]氧基]‑4,6‑喹唑啉二胺作为起始物料,经过两步合成,两步精制和成盐最终合成得到符合药物质量要求的马来酸阿法替尼原料药。该路线反应简单,不涉及危险品,条件温和,易于控制,每步收率均较高,提纯方法不涉及用到柱层析这类工业上不好操作的方法,且工艺稳定,原料易得,适合工业生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN114315808A
Jurisdiction
CN
Classification
Expires
2022-04-12
Drug substance claim
No
Drug product claim
No
Assignee
XI'AN XINTONG PHARMACEUTICAL RESEARCH 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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