CN Patent
CN105566215B — 一种瑞戈非尼的制备方法
Assigned to Shenyang Pharmaceutical University · Expires 2018-02-16 · 8y expired
What this patent protects
本发明公开了一种瑞戈非尼的制备方法,其中引入新化合物4‑(3‑氟苯氧基)‑ N ‑甲基吡啶‑2‑甲酰胺(5)和4‑(3‑氟‑4‑氨基苯氧基)‑ N ‑甲基吡啶‑2‑甲酰胺(6)作为中间体,通过引入所述中间体提供一种具有反应条件温和、后处理简单、反应收率和纯度高、成本低和方法更合理的瑞戈非尼的制备方法。
USPTO Abstract
本发明公开了一种瑞戈非尼的制备方法,其中引入新化合物4‑(3‑氟苯氧基)‑ N ‑甲基吡啶‑2‑甲酰胺(5)和4‑(3‑氟‑4‑氨基苯氧基)‑ N ‑甲基吡啶‑2‑甲酰胺(6)作为中间体,通过引入所述中间体提供一种具有反应条件温和、后处理简单、反应收率和纯度高、成本低和方法更合理的瑞戈非尼的制备方法。
Drugs covered by this patent
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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