CN Patent

CN109836416B — 一种化合物的制备方法

Assigned to Suzhou Pengxu Pharmatech Co ltd · Expires 2023-02-03 · 3y expired

What this patent protects

本发明涉及医药品中间体咪唑并吡嗪类化合物的制备方法。采用价格低廉的酰氯化试剂草酰氯替代昂贵的酰胺键缩合剂制备酰胺键,并有效地控制了通常会发生的消旋问题；实现多步反应的连续化，操作简单；成本优势明显，方便放大生产。

USPTO Abstract

本发明涉及医药品中间体咪唑并吡嗪类化合物的制备方法。采用价格低廉的酰氯化试剂草酰氯替代昂贵的酰胺键缩合剂制备酰胺键,并有效地控制了通常会发生的消旋问题；实现多步反应的连续化，操作简单；成本优势明显，方便放大生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN109836416B
Jurisdiction
CN
Classification
—
Expires
2023-02-03
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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