Process for obtaining enantiomers of 2-arylpropionic acids
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United States of America Patent
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Nov 27, 1990
Grant Date -
N/A
app pub date -
May 1, 1989
filing date -
May 2, 1988
priority date (Note) -
Expired
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Abstract
A process for obtaining enantiomers of 2-arylpropionic acids by reacting a racemic mixture thereof with an amine-enantiomer, which process comprises converting the racemate of the 2-arylpropionic acid with an optically active form of threo-1-p-nitrophenyl-2-aminopropane-1,3-diol into the diastereomeric salts, separating these salts and converting the thus-obtained pure diastereomers into the free acids of the enantiomer forms of the 2-arylpropionic acid or into the salts thereof.
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