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:
May. 05, 2020
Filed:
Sep. 27, 2017
Applicant:
Shenzhen Chipscreen Biosciences Co., Ltd., Shenzhen, Guangdong, CN;
Inventors:
Assignee:
SHENZHEN CHIPSCREEN BIOSCIENCES CO., LTD., Shenzhen, Guangdong, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/86 (2006.01); C07C 229/36 (2006.01);
U.S. Cl.
CPC ...
C07D 209/86 (2013.01); C07C 229/36 (2013.01);
Abstract
Disclosed is a method for preparing 2-(2-(4-fluorobenzoyl)phenylamino)-3-(4-(2-(9H-carbazol-9-yl)ethoxy)phenyl)propanoic acid. In the method 9-carbazole ethanol mesylate and methyl 2-[2-(4-fluorobenzoyl)phenyl)amino]-3-(4-hydroxyphenyl)propionate are used as starting materials, and subjected to condensation, hydrolysis and acidification to obtain the target compound. The preparation method of the present invention is suitable for industrial production, and the target compound has a high purity.