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:
Oct. 07, 2014
Filed:
Jan. 31, 2011
Applicants:
Hari Mohan Sriram, Krishna, IN;
Mukesh Kumar Madhra, Karnal, IN;
Mukesh Kumar Sharma, Gurgaon, IN;
Inventors:
Assignee:
Ranbaxy Laboratories Limited, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 231/14 (2006.01); C07C 227/18 (2006.01); C07C 231/12 (2006.01); C07C 231/02 (2006.01); C07C 227/16 (2006.01);
U.S. Cl.
CPC ...
C07C 231/14 (2013.01); C07C 227/18 (2013.01); C07C 231/12 (2013.01); C07C 231/02 (2013.01); C07C 227/16 (2013.01);
Abstract
The present invention relates to processes for reducing impurities in lacosamide during the preparation of lacosamide. The invention provides processes for minimizing or removing impurities such as (2R)-2-(acetylamino)-3-(benzylamino)-3-oxopropyl acetate of Formula II or (2R)-2-propanoylamino-N-benzyl-3-methoxypropionamide of Formula III in lacosamide.