Process for recovering l-phenylalanine

Details Process for recovering l-phenylalanine Process for recovering l-phenylalanine

C - Chemistry, Metallurgy

07

C

C07C 229/36 (2006.01) C07C 227/40 (2006.01) C07C 227/42 (2006.01)

Patent

CA 2145454

Addition of a reaction mixture obtained by the mineral acid hydrolysis of at least one side flow generated during the production of .alpha.-L- aspartyl-L-phenylalanine methyl ester to a crystallization slurry containing L-phenylalanine while maintaining the pH of the slurry at 3-8 by adding aqueous alkali affords crystallized L- phenylalanine having a low water content in a high yield.

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