IP Library › Granted Patent US 8,378,142
Granted Patent B2
US 8,378,142 · App. 13/154,769 · Granted Feb 19, 2013

Intermediate compounds and their use in preparation of lacosamide

Inventors: Mukesh Kumar Madhra (Karnal, IN); Pankaj Kumar Singh (Kanpur, IN); Chandra Has Khanduri (Gurgaon, IN)
Assignee: Ranbaxy Laboratories Limited
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Quick Facts
Patent No.
US 8,378,142
App. No.
13/154,769
Granted
Feb 19, 2013
Kind
B2
Abstract

The present invention is concerned with novel compounds and their use for the preparation of lacosamide. The present invention also contemplates processes for the preparation of lacosamide employing the novel compound of general Formula II, Formula IIa or Formula IIb as intermediate. Wherein R 1 is —OH or —OMe; R 2 is —OH or —NH—CH 2 —C 6 H 5 .

Claims (1)

1. N-benzyl-O-methyl-N 2 -trityl-D-serinamide.

Assignments (2)
MERGER Recorded Jan 13, 2016
From: RANBAXY LABORATORIES LIMTED
To: SUN PHARMACEUTICAL INDUSTRIES LIMITED
Reel/Frame 037513/0475 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 7, 2011
From: MADHRA, MUKESH KUMAR; SINGH, PANKAJ KUMAR; KHANDURI, CHANDRA HAS
To: RANBAXY LABORATORIES LIMITED
Reel/Frame 026402/0032 →
Priority Claims (1)
IN 2542/DEL/2007 · Dec 4, 2007 · national
Continuity (2)
Division 12327124 · Dec 3, 2008
Related Publication 20120004462A1 · Jan 5, 2012