C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
530/5.06, 530/1.
C07K 5/075 (2006.01) C07K 1/30 (2006.01) C07K 5/072 (2006.01)
Patent
CA 1339657
A method for separating .alpha.-L-aspartyl-L- phenylalanine methyl ester (.alpha.-APM) from a solution containing .alpha.-APM and impurities associated with the production thereof which comprises adding a mineral acid or an organic sulfonic acid to the solution in an organic carboxylic acid or in a solvent containing an organic carboxylic acid, and isolating the pure salt of .alpha.-APM which precipitates therefrom.
593429
Ajioka Masanobu
Higuchi Chojiro
Katoh Toshio
Oura Takeshi
Yamaguchi Akihiro
Mitsui Chemicals Incorporated
Mitsui Toatsu Chemicals Incorporated
Sim & Mcburney
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