CN Patent

CN114539085B — 一种脲基衍生物的制备

Assigned to Shandong Chengchuang Blue Sea Pharmaceutical Technology Co ltd · Expires 2023-10-20 · 3y expired

What this patent protects

本发明提供的一种关键中间体3‑{3‑氟‑2‑[3‑(2‑甲氧基‑5‑(三氟甲基)苯基)脲基]苯基}丙烯酸甲酯的制备方法,工艺操作简便,收率较高,避免了钯催化剂的应用,极大的降低了生产成本,非常利于产品的规模化生产。

USPTO Abstract

本发明提供的一种关键中间体3‑{3‑氟‑2‑[3‑(2‑甲氧基‑5‑(三氟甲基)苯基)脲基]苯基}丙烯酸甲酯的制备方法,工艺操作简便,收率较高,避免了钯催化剂的应用,极大的降低了生产成本,非常利于产品的规模化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN114539085B
Jurisdiction
CN
Classification
Expires
2023-10-20
Drug substance claim
No
Drug product claim
No
Assignee
Shandong Chengchuang Blue Sea 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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