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:
Aug. 18, 2015
Filed:
Jan. 30, 2011
Applicants:
Rong Yan, Nanjing, CN;
Hao Yang, Nanjing, CN;
Wen Hou, Nanjing, CN;
Yongxiang Xu, Nanjing, CN;
Inventors:
Assignees:
Nan Jing Cavendish Bio-Engineering Technology Co., Ltd., Jiangsu, CN;
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 417/12 (2006.01); C07D 417/14 (2006.01);
U.S. Cl.
CPC ...
C07D 417/12 (2013.01);
Abstract
Synthesis process of dasatinib is disclosed, which includes the step of reacting the compound of formula I with that of formula II to obtain the compound of formula III. Also disclosed is the compound of formula III which is used as an intermediate for synthesizing dasatinib. The substituents of R1, R2, R3 or R4 in formulae I, II or III are defined as in the description.