CN Patent

CN115124551B — 一种高纯度米哚妥林的制备方法

Assigned to Yangzhou Aoruite Pharmaceutical Co ltd · Expires 2024-04-30 · 2y expired

What this patent protects

本发明提供了一种高纯度米哚妥林的制备方法。具体,该方法包括如下步骤:在吡咯烷酮类溶剂中,在碱(如无机碱)存在下,使如式N‑1所示的化合物与苯甲酰氯反应,从而形成米哚妥林。本发明的制备方法无需有毒且危险的试剂,所用试剂价廉易得,降低了生产成本,适合工业化大生产,且反应副产物少,一次精制便可使得产品式米哚妥林化合物的化学纯度高达99.6%,且多个杂质很容易控制在0.10%以下。

USPTO Abstract

本发明提供了一种高纯度米哚妥林的制备方法。具体,该方法包括如下步骤:在吡咯烷酮类溶剂中,在碱(如无机碱)存在下,使如式N‑1所示的化合物与苯甲酰氯反应,从而形成米哚妥林。本发明的制备方法无需有毒且危险的试剂,所用试剂价廉易得,降低了生产成本,适合工业化大生产,且反应副产物少,一次精制便可使得产品式米哚妥林化合物的化学纯度高达99.6%,且多个杂质很容易控制在0.10%以下。

Drugs covered by this patent

Patent Metadata

Patent number
CN115124551B
Jurisdiction
CN
Classification
Expires
2024-04-30
Drug substance claim
No
Drug product claim
No
Assignee
Yangzhou Aoruite 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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