CN Patent
CN110256341A — 一种乐伐替尼甲磺酸盐晶型c的制备方法
Assigned to SYNCORE LABORATORIES (SHANGHAI) Co Ltd · Expires 2019-09-20 · 7y expired
What this patent protects
本发明涉及乐伐替尼甲磺酸盐晶型C的制备方法,将4‑(3‑氯‑4‑(环丙基氨基羰基)氨基苯氧基)‑7‑甲氧基‑6‑喹啉羧酰胺和甲磺酸在特定有机溶剂中反应成盐,降温搅拌得到晶型C。本发明公开的制备晶型C的方法,操作简便,工艺重现性好,对该药物的商业化生产具有重要价值。
USPTO Abstract
本发明涉及乐伐替尼甲磺酸盐晶型C的制备方法,将4‑(3‑氯‑4‑(环丙基氨基羰基)氨基苯氧基)‑7‑甲氧基‑6‑喹啉羧酰胺和甲磺酸在特定有机溶剂中反应成盐,降温搅拌得到晶型C。本发明公开的制备晶型C的方法,操作简便,工艺重现性好,对该药物的商业化生产具有重要价值。
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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