CN Patent

CN112694445B — 一种噁拉戈利钠中间体的纯化方法

Assigned to Chengdu Beite Pharmaceutical Co ltd · Expires 2023-07-28 · 3y expired

What this patent protects

本发明提供了一种噁拉戈利钠中间体的纯化方法，具有收率高、纯度好，操作简便，可重复性高等优点，能够大大提高噁拉戈利钠中间体的纯度，适于工业大生产应用中进一步合成制备噁拉戈利钠原料药。

USPTO Abstract

本发明提供了一种噁拉戈利钠中间体的纯化方法，具有收率高、纯度好，操作简便，可重复性高等优点，能够大大提高噁拉戈利钠中间体的纯度，适于工业大生产应用中进一步合成制备噁拉戈利钠原料药。

Drugs covered by this patent

Patent Metadata

Patent number: CN112694445B
Jurisdiction: CN
Classification: —
Expires: 2023-07-28
Drug substance claim: No
Drug product claim: No
Assignee: Chengdu Beite 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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