CN Patent

CN111961079A — 一种瑞德西韦有关物质及其制备方法和应用

Assigned to Nanjing Zhengji Pharmaceutical Research Co ltd · Expires 2020-11-20 · 5y expired

What this patent protects

本发明公开了一种瑞德西韦有关物质及其制备方法和应用,该有关物质可作为一种瑞德西韦杂质对照品,用于高效液相色谱方法分离测定瑞德西韦与式(Ⅰ)化合物。本发明提供的制备方法反应条件温和,后处理简单,可以规模化制备出纯度符合要求的式(Ⅰ)化合物,以作为瑞德西韦质量研究的杂质对照品。

USPTO Abstract

本发明公开了一种瑞德西韦有关物质及其制备方法和应用,该有关物质可作为一种瑞德西韦杂质对照品,用于高效液相色谱方法分离测定瑞德西韦与式(Ⅰ)化合物。本发明提供的制备方法反应条件温和,后处理简单,可以规模化制备出纯度符合要求的式(Ⅰ)化合物,以作为瑞德西韦质量研究的杂质对照品。

Drugs covered by this patent

Patent Metadata

Patent number
CN111961079A
Jurisdiction
CN
Classification
Expires
2020-11-20
Drug substance claim
No
Drug product claim
No
Assignee
Nanjing Zhengji Pharmaceutical Research 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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