CN Patent

CN117447411B — 一种杂环药物中间体的合成方法

Assigned to Suzhou Pengxu Pharmatech Co ltd · Expires 2025-12-23 · 0y expired

What this patent protects

本申请提供一种杂环药物中间体的合成方法。即式I化合物经取代、环化合成的式III化合物的方法。所述杂环药物中间体的合成方法流程简单，后处理方便，起始物料低价易得，易于工业化生产。 。

USPTO Abstract

本申请提供一种杂环药物中间体的合成方法。即式I化合物经取代、环化合成的式III化合物的方法。所述杂环药物中间体的合成方法流程简单，后处理方便，起始物料低价易得，易于工业化生产。 。

Drugs covered by this patent

Patent Metadata

Patent number
CN117447411B
Jurisdiction
CN
Classification
—
Expires
2025-12-23
Drug substance claim
No
Drug product claim
No
Assignee
Suzhou Pengxu Pharmatech 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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