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:
Nov. 06, 2018
Filed:
Sep. 06, 2017
Applicant:
Unichem Laboratories Limited, Maharastra, IN;
Inventors:
Dhananjay G. Sathe, Maharashtra, IN;
Arijit Das, West Bengal, IN;
Yashwant Surve, Maharashtra, IN;
Ramdas N. Ahire, Maharashtra, IN;
Assignee:
Unichem Laboratories Limited, Maharastra, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01); C07D 211/86 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); C07D 211/86 (2013.01);
Abstract
The present invention refers to novel process for the preparation of Apixaban. Further, the invention also related to a process for the preparation of intermediate of Apixaban from very basic and cheap row material i.e. Aniline which is widely commercially available. The present invention provides process for preparation of Apixaban using a different sequence of synthetic steps and does not involve use of Ullmann reaction.