Method for preparing (2s,3r,4s)-4-hydroxyisoleucine and...

C - Chemistry – Metallurgy – 07 – C

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C07C 227/32 (2006.01) C07C 229/22 (2006.01) C07C 255/26 (2006.01) C07C 271/22 (2006.01) C07C 313/06 (2006.01) C07D 307/32 (2006.01) C07D 307/33 (2006.01) C07D 309/12 (2006.01)

Patent

CA 2404621

The invention concerns a method for preparing .alpha.-amino acids of general formula (2S-1) wherein: the group R¿1? represents a hydrogen atom, a group protecting the amino group or a group of formula -COOR¿2? wherein the group R¿2? represents a C¿1?-C¿6? alkyl group, an aryl or aralkyl group. The invention also concerns .alpha.-amino acids of general formula (2S-1) wherein the group R¿1? represents a group protecting the amino group or a group of formula -COOR¿2? wherein the group R¿2? represents a C¿1?-C¿6? alkyl group, an aryl or aralkyl group and their use as medicine.

La présente invention concerne un procédé de préparation d'acides aminés .alpha. de formule générale (2S-1) dans laquelle le groupe R1 représente un atome d'hydrogène, un groupe protecteur du groupe amine ou un groupe de formule -OOR2 dans laquelle le groupe R2 représente un groupe alkyle en C1-C6 un groupe aryle ou aralkyle. Elle concerne également les acides aminés .alpha. de formule générale (2S-1) dans laquelle le groupe R1 représente un groupe protecteur du groupe amine ou un groupe de formule -COOR2 dans laquelle le groupe R2 représente un groupe alkyle en C1-C6 un groupe aryle ou aralkyle et leur utilisation en tant que médicament.

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