Resolution of racemates of amino acids

Details Resolution of racemates of amino acids Resolution of racemates of amino acids

C - Chemistry, Metallurgy

12

P

195/134

C12P 41/00 (2006.01) C12P 13/04 (2006.01) C12P 13/22 (2006.01)

Patent

CA 1245173

C-7253 RESOLUTION OF RACEMATES OF AMINO ACIDS ABSTRACT OF THE INVENTION Racemates of optically active amino acids substituted at the carbonyl position wherein the alpha amino acid nitrogen is underivatized can be resolved using a two phase solvent system wherein the racemate is dissolved in a substantially water immiscible organic material which is a solvent for said amino acid racemate but not for the corresponding amino acids and in water to form an aqueous phase wherein the racemate dissolved in an aqueous phase, is in equilibrium with the racemate in the organic phase; selectively hydrolyzing one of the optical isomers of the amino acid racemate in the aqueous phase to the corresponding amino acid; and recovering the amino acid. The preferred product is L-phenylalanine.

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