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.
                            本发明涉及在制备拉科萨米德期间减少杂质的过程。本发明提供了最小化或去除拉科萨米德中(2R)-2-(乙酰
氨基)-3-(苄基
氨基)-
3-氧代丙酸乙酯式II或(2R)-2-丙酰
氨基-N-苄基-3-甲氧基丙酰胺式III等杂质的过程。