| abstract |
A process for obtaining enantiomers of 2-aryl-propionic acids by reacting a racemic mixture thereof with an amine enantiomer, wherein the racemate of 2-aryl-propionic acid is obtained with an optically active form of threo-1-p-nitrophenyl-2- aminopropane-1,3-diol is converted into the diastereomeric salts, these are separated and the pure diastereomers thus obtained are converted into the free acids of the enantiomeric forms of 2-arylpropionic acid or its salts. |