[EN] AN IMPROVED PROCESS FOR PREPARATION OF DABIGATRAN ETEXILATE AND PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF [FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE L'ÉTÉXILATE DE DABIGATRAN ET SELS D'ADDITION ACIDE PHARMACEUTIQUEMENT ACCEPTABLES DE CELUI-CI
[EN] DABIGATRAN ETEXILATE AND RELATED SUBSTANCES, PROCESSES AND COMPOSITIONS, AND USE OF THE SUBSTANCES AS REFERENCE STANDARDS AND MARKERS<br/>[FR] ETÉXILATE DE DABIGATRAN ET SUBSTANCES, PROCÉDÉS ET COMPOSITIONS S'Y RAPPORTANT ET UTILISATION DES SUBSTANCES COMME ÉTALONS DE RÉFÉRENCE ET MARQUEURS
申请人:MEDICHEM SA
公开号:WO2012152855A1
公开(公告)日:2012-11-15
The present invention relates to dabigatran etexilate and related substances and use of the substances as reference standards and markers. There are also provided processes of detecting the substances in samples of dabigatran etexilate, or pharmaceutically acceptable salts or solvates thereof, and also for analyzing the purity of samples of dabigatran etexilate, or pharmaceutically acceptable salts or solvates thereof.There are still further provided processes of preparing dabigatran etexilate and related substances, and pharmaceutical compositions containing the same.
Process For The Preparation Of Benzimidazole Derivatives And Salts Thereof
申请人:MSN Laboratories Limited
公开号:US20150087842A1
公开(公告)日:2015-03-26
Provided are novel salts of benzimidazole derivatives, preferably salts of benzimidazole derivatives which are useful intermediates in the synthesis of pure 1-methyl-2-[N-[4-(N-n-hexyloxycarbonylamidino)phenyl]aminomethyl]benzimidazol-5-yl-carboxylicacid-N-(2-pyridyl)-N-(2-ethoxycarbonylethyl)amide and its salts.
[EN] A METHOD FOR THE PREPARATION OF DABIGATRAN AND ITS INTERMEDIATES<br/>[FR] PROCÉDÉ POUR PRÉPARER LE DABIGATRAN ET SES INTERMÉDIAIRES
申请人:ZENTIVA KS
公开号:WO2010045900A1
公开(公告)日:2010-04-29
Intermediates for the preparation of dabigatran of formulae (VII-2HC1) and (VII-HC1), methods for their preparation and a method for preparation of dabigatran of formula (VIII) using these intermediates.