[EN] PROCESSES FOR PREPARING 4-OXO-4-[3-(TRIFLUOROMETHYL)-5,6- DIHYDRO [L,2,41-TRIAZOLO[43-A]PYRAZIN-7(8H)-YL]-L-(2,4,5- TRIFLUOROPHENYL)BUTAN-2-AMINE<br/>[FR] PROCÉDÉS DE PRÉPARATION DE 4-OXO-4-[3-(TRIFLUOROMÉTHYL)-5,6-DIHYDRO- [L,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL]-1-(2,4,5-TRIFLUOROPHÉNYL)- BUTAN-2-AMINE
申请人:CADILA HEALTHCARE LTD
公开号:WO2013065066A1
公开(公告)日:2013-05-10
The present invention relates to synthesis of 4-oxo-4-[3-(trifluoromethyl)-5,6- dihydro [l,2,4]-triazolo[4,3-a]pyrazin-7(8H)-yl]-l-(2,4,5-trifluorophenyl)butan-2- amine of Formula (I) either in its racemic (R/S) form or any of its optically active (S) or (R) forms or enantiomeric excess mixture of any of the forms by novel processes. The invention further relates to certain novel intermediates useful in the preparation of compound of Formula (I) and processes for their preparation.
本发明涉及通过新颖的方法合成式(I)的4-氧代-4-[3-(三氟甲基)-5,6-二氢[1,2,4]-三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-胺,其可以是其消旋(R/S)形式或其任何光学活性(S)或(R)形式或任何形式的对映过量混合物。该发明还涉及在制备式(I)化合物中有用的某些新型中间体及其制备方法。