CN Patent

CN110590780B — 治疗糖尿病的药物利拉利汀的制备方法

Assigned to Shenzhen Shoukong Life Science Research Co ltd · Expires 2020-10-09 · 6y expired

What this patent protects

本发明提供了一种利拉利汀的制方法,通过在氯化亚铜催化剂存在下,以2‑氨基苯乙酮和相应的酰胺为起始原料,环化获得喹唑啉化合物;另外,磺酰基相较于卤素更容易离去,将其引入反应原料,在后续取代反应中更容易被取代,获得高产率偶联产物。本发明反应路线短,产率高,副产物少,降低了生产成本,有利于工业化生产。

USPTO Abstract

本发明提供了一种利拉利汀的制方法,通过在氯化亚铜催化剂存在下,以2‑氨基苯乙酮和相应的酰胺为起始原料,环化获得喹唑啉化合物;另外,磺酰基相较于卤素更容易离去,将其引入反应原料,在后续取代反应中更容易被取代,获得高产率偶联产物。本发明反应路线短,产率高,副产物少,降低了生产成本,有利于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN110590780B
Jurisdiction
CN
Classification
Expires
2020-10-09
Drug substance claim
No
Drug product claim
No
Assignee
Shenzhen Shoukong Life Science Research 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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