A process for the preparation of h-tyr-d-ala-phe(f)-phe-nh2

Details A process for the preparation of h-tyr-d-ala-phe(f)-phe-nh2 A process for the preparation of h-tyr-d-ala-phe(f)-phe-nh2

C - Chemistry, Metallurgy

07

K

C07K 5/107 (2006.01) C07K 1/06 (2006.01) C07K 5/10 (2006.01)

Patent

CA 2383184

The present invention discloses a new and improved process for the preparation of the tetrapeptide H-Tyr-D-Ala-Phe(F)-Phe-NH2 that is a peptide of formula (I), or a pharmaceutically acceptable salt thereof, as well as new intermediates in the preparation thereof. The novel process is a fragment synthesis and suitable for large-scale production.

La présente invention concerne un procédé nouveau et amélioré de préparation du tétrapeptide H-Tyr-D-Ala-Phe(F)-Phe-NH¿2? qui est un peptide de formule (I). On décrit ce tétrapeptide ou un sel pharmaceutiquement acceptable de ce dernier ainsi que de nouveaux intermédiaires utiles dans la préparation dudit tétrapeptide. Le nouveau procédé est une synthèse fragmentaire à étapes parallèles en nombre réduit qui est adaptée à la production de masse.

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