CN104788445B — 一种达沙替尼中间体的合成方法
Assigned to Shandong New Time Pharmaceutical Co Ltd · Expires 2017-06-23 · 9y expired
What this patent protects
本发明属于医药技术领域,具体涉及一种达沙替尼中间体N‑(2‑氯‑6‑甲基苯基)‑2‑[(6‑氯‑2‑甲基‑4‑嘧啶基)氨基]‑5‑噻唑甲酰胺的合成方法,具体方法为,先在低温条件下,向非质子溶剂中,依次加入有机碱,2‑氨基‑N‑(2‑氯‑6‑甲基苯基)噻唑‑5‑甲酰胺与2‑甲基‑4,6‑二氯嘧啶,然后升高温度进行反应制备N‑(2‑氯‑6‑甲基苯基)‑2‑[(6‑氯‑2‑甲基‑4‑嘧啶基)氨基]‑5‑噻唑甲酰胺,相比现有技术,本发明具更高的收率和更低的最大单杂含量,适合工业化生产。
USPTO Abstract
本发明属于医药技术领域,具体涉及一种达沙替尼中间体N‑(2‑氯‑6‑甲基苯基)‑2‑[(6‑氯‑2‑甲基‑4‑嘧啶基)氨基]‑5‑噻唑甲酰胺的合成方法,具体方法为,先在低温条件下,向非质子溶剂中,依次加入有机碱,2‑氨基‑N‑(2‑氯‑6‑甲基苯基)噻唑‑5‑甲酰胺与2‑甲基‑4,6‑二氯嘧啶,然后升高温度进行反应制备N‑(2‑氯‑6‑甲基苯基)‑2‑[(6‑氯‑2‑甲基‑4‑嘧啶基)氨基]‑5‑噻唑甲酰胺,相比现有技术,本发明具更高的收率和更低的最大单杂含量,适合工业化生产。
Drugs covered by this patent
- Sprycel (dasatinib) · Handa Therap
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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