CN Patent

CN113121512B — 一种喹唑啉基丁烯酰胺类化合物的制备方法

Assigned to Jiangsu Jinglixin Pharmaceutical Technology Co ltd · Expires 2022-11-04 · 4y expired

What this patent protects

本发明公开了一种喹唑啉基丁烯酰胺类化合物的制备方法，通过选择合适的混合碱体系，使用1,8‑二氮杂双环[5.4.0]十一碳‑7‑烯和氢氧化钾的混合物，有效降低合成工艺中杂质的生成，避免药品存放过程中降解杂质额外产生，实现了杂质生成与降解的精准控制。

USPTO Abstract

本发明公开了一种喹唑啉基丁烯酰胺类化合物的制备方法，通过选择合适的混合碱体系，使用1,8‑二氮杂双环[5.4.0]十一碳‑7‑烯和氢氧化钾的混合物，有效降低合成工艺中杂质的生成，避免药品存放过程中降解杂质额外产生，实现了杂质生成与降解的精准控制。

Drugs covered by this patent

Patent Metadata

Patent number
CN113121512B
Jurisdiction
CN
Classification
—
Expires
2022-11-04
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Jinglixin 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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