CN Patent

CN102241597B — 一种氢溴酸安非他酮晶型ⅰ的制备方法

Assigned to Zhejiang Apeloa Jiayuan Pharmaceutical Co ltd · Expires 2014-01-08 · 12y expired

What this patent protects

本发明公开了氢溴酸安非他酮晶型I的制备方法,将化学纯度合格的氢溴酸安非他酮晶型II或晶型I和晶型II的混合物加热升温至150-210℃,并于150-210℃条件下保温0.5-10小时,后冷却至室温,得到目标产物-氢溴酸安非他酮晶型I。目标产物经PXRD检测不含氢溴酸安非他酮晶型II的特征峰,起始原料完全转化为氢溴酸安非他酮晶型I。目标产物经HPLC检测,未产生新杂质,杂质含量无变化。本发明具有操作简便、适合工业化大生产、环保压力小等优点。

USPTO Abstract

本发明公开了氢溴酸安非他酮晶型I的制备方法,将化学纯度合格的氢溴酸安非他酮晶型II或晶型I和晶型II的混合物加热升温至150-210℃,并于150-210℃条件下保温0.5-10小时,后冷却至室温,得到目标产物-氢溴酸安非他酮晶型I。目标产物经PXRD检测不含氢溴酸安非他酮晶型II的特征峰,起始原料完全转化为氢溴酸安非他酮晶型I。目标产物经HPLC检测,未产生新杂质,杂质含量无变化。本发明具有操作简便、适合工业化大生产、环保压力小等优点。

Drugs covered by this patent

Patent Metadata

Patent number
CN102241597B
Jurisdiction
CN
Classification
Expires
2014-01-08
Drug substance claim
No
Drug product claim
No
Assignee
Zhejiang Apeloa Jiayuan Pharmaceutical Co ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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