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:
Jun. 06, 2017
Filed:
Mar. 06, 2013
Applicant:
Tianjin Hemay Bio-tech Co., Ltd, Tianjin, CN;
Inventors:
Assignee:
Tianjin Hemay Oncology Pharmaceutical Co., Ltd., Tianjin, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 43/04 (2006.01); A61K 31/70 (2006.01); C07G 11/00 (2006.01); C07H 15/00 (2006.01); C07H 17/00 (2006.01); C07H 19/044 (2006.01);
U.S. Cl.
CPC ...
C07H 19/044 (2013.01);
Abstract
Disclosed are a compound represented by formula (I) and a pharmaceutically acceptable salt thereof, reacting a compound represented by formula (II) with a compound represented by formula (III) in the presence of a condensation agent to obtain a compound represented by formula (I).