(S)-methyl 2-(benzylamino)propanoate → N-benzyl-L-alanine

Participants

Reaction Steps

333 g (1.72 mmol) of N-benzylalanine methyl ester (J. Chem. Soc. 4374 (1952)) are heated under reflux overnight with 860 ml of water. Product which has deposited is filtered off with suction and the filtrate is extracted once with tert.-butyl methyl ether. The aqueous solution is concentrated and the crystals obtained are dried over phosphorus pentoxide in a desiccator with the first crystal fraction.

Provenance & Evidence