CN Patent
CN105524059A — 一种帕波西比杂质的制备方法
Assigned to Beijing Xiuzheng Innovative Drug Research Institute Co Ltd · Expires 2016-04-27 · 10y expired
What this patent protects
本发明公开了一种制备帕波西比关键杂质化合物(I)的方法,该方法采用以盐酸、甲基磺酸、对甲苯磺酸等作为质子酸合成化合物(I),反应后处理简单,效率高。
USPTO Abstract
本发明公开了一种制备帕波西比关键杂质化合物(I)的方法,该方法采用以盐酸、甲基磺酸、对甲苯磺酸等作为质子酸合成化合物(I),反应后处理简单,效率高。
Drugs covered by this patent
- Palbociclib (palbociclib) · Pfizer Inc.
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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