| abstract |
A process for preparing glycine or racemic? -Amino acid wherein the corresponding? -Hydroxycarboxylic acid selected from hydroxyacetic acid, lactic acid, malic acid,? -Hydroxyglutamic acid, isocitric acid, tartronic acid and tartaric acid, At least one salt of an? -Hydroxycarboxylic acid reacts with at least one nitrogen compound (c) in the presence of hydrogen in the presence of at least one heterogeneous catalyst comprising at least one transition metal, wherein the nitrogen compound c ) Is selected from primary and secondary amines and ammonia. |