C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 227/40 (2006.01) C07C 229/34 (2006.01)
Patent
CA 2726936
A method of producing a purified optically active 4-amino-3-(substituted phenyl)butanoic acid compound characterized by involving the step of contacting a crude optically active 4-amino-3- (substituted phenyl)butanoic acid compound with an organic acid in the presence of water.
L'invention concerne un procédé, destiné à produire un composé d'acide butanoïque 4-amino-3(à substitution phényle) optiquement actif purifié, caractérisé en ce qu'il implique une étape de mise en contact d'un composé d'acide butanoïque 4-amino-3(à substitution phényle) optiquement actif brut avec un acide organique, en présence d'eau.
Kato Hirofumi
Murakami Kazuo
Takeda Masahiro
Fetherstonhaugh & Co.
Sumitomo Chemical Company Limited
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