The present patent application relates to an alternative process for the preparation of amino derivatives. In particular, the present application relates to an improved process for the manufacture of Lacosamide (LCM), (R)-2-acetamido-N-benzyl-3-methoxypropion-amide, which is useful as an anticonvulsive drug. In a particular aspect, the present invention relates to a process of manufacture of optically enriched (R)-2-acetamido-N-benzyl-3-methoxypropion-amide (I) comprising resolution of 2-acetamido-N-benzyl-3-methoxypropion-amide (II).