CN Patent

CN121627532A — 一种奥马环素的制备方法

Assigned to Jiangsu Puxin Pharmaceutical Co ltd · Expires 2026-03-10 · 0y expired

What this patent protects

本发明提供了一种奥马环素的制备方法。具体地，本发明的方法包括如下步骤：在惰性气体存在下，在惰性溶剂中，式III所示的化合物与特戊醛反应，得到奥马环素粗品；吸附树脂纯化：将所述奥马环素粗品通过吸附树脂进行纯化，得到奥马环素纯品。本发明的方法收率高、纯度高，适合工业化生产。

USPTO Abstract

本发明提供了一种奥马环素的制备方法。具体地，本发明的方法包括如下步骤：在惰性气体存在下，在惰性溶剂中，式III所示的化合物与特戊醛反应，得到奥马环素粗品；吸附树脂纯化：将所述奥马环素粗品通过吸附树脂进行纯化，得到奥马环素纯品。本发明的方法收率高、纯度高，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN121627532A
Jurisdiction
CN
Classification
—
Expires
2026-03-10
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Puxin 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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