The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 25, 2025

Filed:

Apr. 09, 2020
Applicant:

Zhejiang Hisun Pharmaceutical Co., Ltd., Zhejiang, CN;

Inventors:

Panpan Zhang, Zhejiang, CN;

Sunli Yan, Zhejiang, CN;

Ying Li, Zhejiang, CN;

Chenli Guo, Zhejiang, CN;

Wenjian Qian, Zhejiang, CN;

Cheng Ye, Zhejiang, CN;

Zhengzheng Shi, Zhejiang, CN;

Taishan Hu, Zhejiang, CN;

Lei Chen, Zhejiang, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/14 (2006.01); C07D 403/14 (2006.01); C07D 487/08 (2006.01); C07D 498/08 (2006.01);
U.S. Cl.
CPC ...
C07D 401/14 (2013.01); C07D 403/14 (2013.01); C07D 487/08 (2013.01); C07D 498/08 (2013.01);
Abstract

The present invention relates to a piperazine amide derivative as represented by formula (I) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition thereof, and use of same as a therapeutic agent, especially as a selective Rearranged During Transfection (RET) kinase inhibitor. Ring a, ring e, X, X, X, X, R, R, R, R, R, R, R, R, R, R, R, R, m and n have the same definitions as those in the specification.


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