A method for enantioselectively obtaining amino acids and amino acid derivatives with the use of racemization catalysts

摘要

beshreibt the invention a method for enantioselectively obtaining amino acids or amino acid derivatives from their esters by reaction of mixtures of enantiomers - and / or diastereomers of the ester in the presence of a racemization catalyst of the general formula (i), dollar f1 wherein r · 3 · a group with an acidic proton and the use of such aromatic aldehydes as racemic catalyst optimization.