CN Patent

CN113045540B — 一种拉司米地坦的制备方法

Assigned to SHANGHAI TIANCI INTERNATIONAL PHARMACEUTICAL CO LTD · Expires 2024-02-13 · 2y expired

What this patent protects

发明提供了一种拉司米地坦的制备方法。具体地，本发明以2‑溴‑6氨基吡啶为原料与2，4，6‑三氟苯甲酰氯进行缩合反应，后与1‑甲基‑4‑哌啶甲酸乙酯反应制得拉司米地坦。本发明的制备方法合成路线及操作简单安全，原料易得，后处理简单，收率高，适合工业化生产。

USPTO Abstract

发明提供了一种拉司米地坦的制备方法。具体地，本发明以2‑溴‑6氨基吡啶为原料与2，4，6‑三氟苯甲酰氯进行缩合反应，后与1‑甲基‑4‑哌啶甲酸乙酯反应制得拉司米地坦。本发明的制备方法合成路线及操作简单安全，原料易得，后处理简单，收率高，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN113045540B
Jurisdiction
CN
Classification
—
Expires
2024-02-13
Drug substance claim
No
Drug product claim
No
Assignee
SHANGHAI TIANCI INTERNATIONAL 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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