CN112279838B — 一种吡咯替尼的制备方法
Assigned to Suzhou Fushilai Pharmaceutical Co ltd · Expires 2021-07-13 · 5y expired
What this patent protects
一种吡咯替尼的制备方法,属于药物化学合成技术领域。步骤:1、制备R,E‑N‑(2‑羟基‑4‑硝基苯基)‑3‑(1‑甲基吡咯烷‑2‑基)丙烯酰胺;2、制备(R,E)‑N‑(2‑乙氧基‑4‑硝基苯基)‑3‑(1‑甲基吡咯烷‑2‑基)丙烯酰胺;3、制备(R,E)‑N‑(4‑氨基‑2‑乙氧基苯基)‑3‑(1‑甲基吡咯烷‑2‑基)丙烯酰胺;4、制备(2E)‑N‑(4‑氨基‑3‑氰基‑7‑乙氧基喹啉‑6‑基)‑3‑[(2R)‑1‑甲基吡咯烷‑2‑基]丙烯酰胺;5、制备吡咯替尼。优点:原料易得、工艺简洁和经济环保,有利于提高并控制终产品原料药的质量。
USPTO Abstract
一种吡咯替尼的制备方法,属于药物化学合成技术领域。步骤:1、制备R,E‑N‑(2‑羟基‑4‑硝基苯基)‑3‑(1‑甲基吡咯烷‑2‑基)丙烯酰胺;2、制备(R,E)‑N‑(2‑乙氧基‑4‑硝基苯基)‑3‑(1‑甲基吡咯烷‑2‑基)丙烯酰胺;3、制备(R,E)‑N‑(4‑氨基‑2‑乙氧基苯基)‑3‑(1‑甲基吡咯烷‑2‑基)丙烯酰胺;4、制备(2E)‑N‑(4‑氨基‑3‑氰基‑7‑乙氧基喹啉‑6‑基)‑3‑[(2R)‑1‑甲基吡咯烷‑2‑基]丙烯酰胺;5、制备吡咯替尼。优点:原料易得、工艺简洁和经济环保,有利于提高并控制终产品原料药的质量。
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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