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. 19, 2022
Filed:
Nov. 09, 2018
Applicants:
Jiangsu Hengrui Medicine Co., Ltd., Lianyungang, CN;
Shanghai Hengrui Pharmaceutical Co., Ltd, Shanghai, CN;
Inventors:
Weidong Lu, Shanghai, CN;
Chao Xu, Shanghai, CN;
Haoyu Zhang, Shanghai, CN;
Qiyun Shao, Shanghai, CN;
Jun Feng, Shanghai, CN;
Feng He, Shanghai, CN;
Assignees:
JIANGSU HENGRUI MEDICINE CO., LTD., Lianyungang, CN;
SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/14 (2006.01); C07C 51/363 (2006.01);
U.S. Cl.
CPC ...
C07D 405/14 (2013.01); C07C 51/363 (2013.01);
Abstract
Disclosed is a method for preparing a benzofuran derivative. In particular, provided is a method for preparing a benzofuran derivative, wherein according to the method provided, reaction steps required to synthesize the benzofuran substance in the prior art can be effectively shortened.