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.
Patent No.:
Date of Patent:
Jul. 04, 2023
Filed:
Jan. 08, 2021
Applicant:
Zhangzhou Pien Tze Huang Pharmaceutical Co., Ltd., Fujian, CN;
Inventors:
Jinming Huang, Zhangzhou, CN;
Juan Yu, Zhangzhou, CN;
Jinxiang Zeng, Zhangzhou, CN;
Limei Yang, Zhangzhou, CN;
Tingting Yin, Zhangzhou, CN;
Yang Zhang, Shanghai, CN;
Wentao Wu, Shanghai, CN;
Zhixiang Li, Shanghai, CN;
Jian Qin, Shanghai, CN;
Assignee:
ZHANGZHOU PIEN TZE HUANG PHARMACEUTICAL CO., LTD., Fujian, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/14 (2006.01);
U.S. Cl.
CPC ...
C07D 405/14 (2013.01);
Abstract
Disclosed is a method for preparing a pyrrolidinyl urea derivative, which acts as a TrkA inhibitor, and further disclosed are an intermediate compound of a compound of formula (I) and a preparation method therefor.