CN Patent

CN111499613B — N-甲酰胺衍生物、其制备方法及其在医药上的用途

Assigned to Zhejiang Hisun Pharmaceutical Co Ltd · Expires 2023-05-12 · 3y expired

What this patent protects

本发明提供了一种式(I)所示的作为选择性RET(转染期间重排)激酶抑制剂的N‑甲酰胺衍生物、其制备方法及其在医药上的用途。其中,式(I)中的D环,X,R 1 ,R 1’ ,R 2 ,R 2’ ,R 3 ,R 3’ ,R 4 和R 4’ 的定义与说明书中的定义相同。

USPTO Abstract

本发明提供了一种式(I)所示的作为选择性RET(转染期间重排)激酶抑制剂的N‑甲酰胺衍生物、其制备方法及其在医药上的用途。其中,式(I)中的D环,X,R 1 ,R 1’ ,R 2 ,R 2’ ,R 3 ,R 3’ ,R 4 和R 4’ 的定义与说明书中的定义相同。

Drugs covered by this patent

Patent Metadata

Patent number
CN111499613B
Jurisdiction
CN
Classification
Expires
2023-05-12
Drug substance claim
No
Drug product claim
No
Assignee
Zhejiang Hisun Pharmaceutical 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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