[EN] PROCESS FOR THE PREPARATION OF (5-METHYL-2-OXO-L,3-DIOXOI-4-VL)METHVL 2- ETHOXV-L-{[2'-(5-OXO-4,5-DIHVDRO-L,2,4-OXADIAZOL-3-VL)BIPHENYI-4-VL]METHYL}- LH-BENZIMIDAZOLE-7-CARBOXYIATE AND ITS SALTS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 2-ÉTHOXY-1-{[2'-(5-OXO-4,5-DIHYDRO-1,2,4- OXADIAZOL-3-YL)BIPHÉNYL-4-YL]MÉTHYL}-LH-BENZIMIDAZOLE-7-CARBOXYLATE DE (5-MÉTHYL-2-OXO-L,3-DIOXOL-4-YL)MÉTHYLE ET DE SES SELS
申请人:MSN LAB LTD
公开号:WO2013186792A2
公开(公告)日:2013-12-19
The present invention relates to processes for the preparation of (5-methyl-2-oxo- l,3- dioxol-4-yl)methyl 2-ethoxy- 1 - [2'-(5-oxo-4,5-dihydro- 1,2,4-oxadiazol-3-yl)biphenyl-4- yl]methyl}-lH-benzimidazole-7-carboxylate compound of formula- 1, its potassium salt compound of formula- la and polymorphs thereof.