CN Patent

CN116041347B — 非奈利酮中间体的制备方法

Assigned to Bozhiyan New Taizhou Pharmaceutical Technology Co ltd · Expires 2025-12-09 · 0y expired

What this patent protects

本发明公开了一种非奈利酮中间体3的制备方法，其包括以下步骤：有机溶剂中，将非奈利酮中间体2与D‑酒石酸二苯酯进行拆分反应，得到拆分盐，然后与碱进行酸碱反应，得到所述的非奈利酮中间体3。本发明的制备方法，反应步骤短、反应总收率高、操作简单安全、后处理步骤简单、制得的产品纯度高、生产成本低、适合于工业化生产。

USPTO Abstract

本发明公开了一种非奈利酮中间体3的制备方法，其包括以下步骤：有机溶剂中，将非奈利酮中间体2与D‑酒石酸二苯酯进行拆分反应，得到拆分盐，然后与碱进行酸碱反应，得到所述的非奈利酮中间体3。本发明的制备方法，反应步骤短、反应总收率高、操作简单安全、后处理步骤简单、制得的产品纯度高、生产成本低、适合于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN116041347B
Jurisdiction
CN
Classification
—
Expires
2025-12-09
Drug substance claim
No
Drug product claim
No
Assignee
Bozhiyan New Taizhou 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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