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:
Mar. 28, 2017
Filed:
Feb. 13, 2014
Applicant:
Zhejiang Jiuzhou Pharmaceutical Co., Ltd., Taizhou, CN;
Inventors:
Assignee:
Zhejiang Jiuzhou Pharmaceutical Co., Ltd, Taizhou, Zhejiang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/14 (2006.01); C07D 403/02 (2006.01); C07D 213/75 (2006.01);
U.S. Cl.
CPC ...
C07D 401/14 (2013.01); C07D 213/75 (2013.01);
Abstract
The present invention relates to the technical field of medicine and organic synthesis, particularly to a method for preparing crizotinib. The method comprises the compound of formula b and the compound of formula e undergoing Suzuki coupling reaction to produce the compound of formula a which then was subjected to deprotection to afford (±) crizotinib.