CN Patent

CN107304187B — 一种奥拉帕尼的重结晶方法

Assigned to Hangzhou Rongli Pharmaceutical Technology Co ltd · Expires 2021-07-09 · 5y expired

What this patent protects

本发明属于药物提纯技术领域，特别涉及一种奥拉帕尼的重结晶方法。包括步骤：1）将奥拉帕尼粗品加入到甲叔醚和乙腈的混合溶剂中混合，加热回流，降温结晶；2）加入到乙酸乙酯和C 1‑5 醇的混合溶剂中混合，加热回流，冷却重结晶。所得产品具有纯度高的特点。

USPTO Abstract

本发明属于药物提纯技术领域，特别涉及一种奥拉帕尼的重结晶方法。包括步骤：1）将奥拉帕尼粗品加入到甲叔醚和乙腈的混合溶剂中混合，加热回流，降温结晶；2）加入到乙酸乙酯和C 1‑5 醇的混合溶剂中混合，加热回流，冷却重结晶。所得产品具有纯度高的特点。

Drugs covered by this patent

Patent Metadata

Patent number
CN107304187B
Jurisdiction
CN
Classification
—
Expires
2021-07-09
Drug substance claim
No
Drug product claim
No
Assignee
Hangzhou Rongli Pharmaceutical Technology 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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