Process for preparing (r)-2-bromo-3-phenyl-propionic acid

Details Process for preparing (r)-2-bromo-3-phenyl-propionic acid Process for preparing (r)-2-bromo-3-phenyl-propionic acid

C - Chemistry, Metallurgy

07

C

C07C 51/363 (2006.01) C07C 57/58 (2006.01)

Patent

CA 2321001

It is described a process for preparing (R)-2-bromo-3-phenyl-propionic acid starting from (D)-phenyl-alanine, sodium nitrite and concentrated hydrobromic acid in a mixture of an aqueous solvent and a solvent selected from the group consisting of halogenated hydrocarbons and aromatic hydrocarbons.

Cette invention se rapporte à un procédé servant à préparer l'acide (R)-2-bromo-3-phényl-propionique, en partant de (D)-phényl-alanine, de nitrite de sodium et d'acide bromhydrique concentré, dans un mélange fait d'un solvant aqueux et d'un solvant choisi dans le groupe composé d'hydrocarbures halogénés et d'hydrocarbures aromatiques.

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