Intermediate for producing lacosamide and a process for its preparation and conversion to lacosamide
申请人:Archimica GmbH
公开号:EP2399901A1
公开(公告)日:2011-12-28
The invention relates to R)-1-Benzylcarbamoyl-2-hydroxy-ethyl)-carbamic acid tert-butyl ester (compound III) with an ee of greater than 90%.
and a process for producing the same
Present invention relates to an improved and commercial process for the preparation of lacosamide ((R)-2-acetami-do-N-benzyl-3-methoxypropanamide) of formula (I). Present process utilizes high purity crystalline solids of formulae (XXXII) and (XIII) as key intermediates. Lacosamide is indicated for the adjunctive treatment of partial onset seizures in patients aged at least 17 years.
[EN] PROCESS FOR PREPARATION OF LACOSAMIDE AND SOME N-BENZYL-PROPANAMIDE INTERMEDIATE DERIVATIVES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LACOSAMIDE ET DE DÉRIVÉS INTERMÉDIAIRES DE N-BENZYL-PROPANAMIDE
申请人:INDOCO REMEDIES LTD
公开号:WO2012014226A1
公开(公告)日:2012-02-02
The present invention discloses novel process for the preparation of (2R)-2-acetamido-N- benzyl-3-methoxypropanamide of Formula I involving novel intermediates of Formula - XIX and Formula - XX.
The present invention relates to a method for producing (R)-2-acetamido-N-benzyl-3-methoxypropionamide (lacosamide), by methylation of (R)-2-acetamino-2-N-benzyl-3-hydroxy-propionamide (V), in which the methylation is carried out at a temperature below 20° C.
INTERMEDIATE COMPOUNDS AND THEIR USE IN PREPARATION OF LACOSAMIDE
申请人:Madhra Mukesh Kumar
公开号:US20090143472A1
公开(公告)日:2009-06-04
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
.