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:
Dec. 08, 2015
Filed:
Mar. 22, 2013
Applicant:
Laurus Labs Private Limited, Hyderabad, IN;
Inventors:
Sanjay Kumar Dehury, Hyderabad, IN;
Venkata Lakshmi Narasimha Dammalapati, Hyderabad, IN;
Venkata Sunil Kumar Indukuri, Hyderabad, IN;
Seeta Ramanjaneyulu Gorantla, Hyderabad, IN;
Assignee:
Laurus Labs Private Ltd., , IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/06 (2006.01); A61K 31/404 (2006.01); C07C 53/134 (2006.01); C07C 55/07 (2006.01); C07C 55/10 (2006.01); C07C 59/245 (2006.01);
U.S. Cl.
CPC ...
C07D 403/06 (2013.01); A61K 31/404 (2013.01); C07C 53/134 (2013.01); C07C 55/07 (2013.01); C07C 55/10 (2013.01); C07C 59/245 (2013.01);
Abstract
The present invention relates to an improved process for the preparation of Sunitinb. The process involves the activation of 5-((Z)-(5-fluoro-2-oxoindolin-3-ylidene) methyl)-2,4-dimethyl-1 H-pyrrole-3carboxylic acid to corresponding suitable carboxylic acid activating group. The present invention also relates to novel acid addition salts of Sunitinb and preparation thereof.