[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF PURE EPROSARTANAND ITS PHARMACEUTICAL ACCEPTABLE SALTS [FR] PROCÉDÉ AMÉLIORÉ DE PRÉPARATION DE L'EPROSARTAN PUR ET DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF PURE EPROSARTANAND ITS PHARMACEUTICAL ACCEPTABLE SALTS [FR] PROCÉDÉ AMÉLIORÉ DE PRÉPARATION DE L'EPROSARTAN PUR ET DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF PURE EPROSARTANAND ITS PHARMACEUTICAL ACCEPTABLE SALTS<br/>[FR] PROCÉDÉ AMÉLIORÉ DE PRÉPARATION DE L'EPROSARTAN PUR ET DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
申请人:MATRIX LAB LTD
公开号:WO2011051975A1
公开(公告)日:2011-05-05
The present invention relates to an improved process for preparation of pure Eprosartan and its pharmaceutical acceptable salts comprising the steps of: a) treating the Eprosartan with hydrochloric acid; b) suspending the resulted Eprosartan hydrochloride in water; c) adjusting the pH with base; d) isolating the pure Eprosartan; wherein the purity of the purified Eprosartan is higher than the purity of the starting Eprosartan.