PROCESSES FOR THE PREPARATION OF BOSENTAN AND ITS INTERMEDIATES THEREOF
申请人:Yadav Roop Singh
公开号:US20100256371A1
公开(公告)日:2010-10-07
The present invention relates to processes for the preparation of bosentan and compounds that can be used as structurally novel intermediates for the synthesis thereof, and a pharmaceutical composition of the same.
本发明涉及用于制备博瑟坦和可用作其合成的结构新型中间体的过程,以及相应的药物组合物。
[EN] IMPROVED PROCESS FOR THE PREPARATION OF 4-(1,1-DIMETHYLETHYL)-N-[6-(2-HYDROXYETHOXY)-5-(2-METHOXYPHENOXY)[2,2'-BIPYRIMIDIN]-4-YL]BENZENESULFONAMIDE<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE 4-(1,1-DIMÉTHYLÉTHYL)-N-[6-(2-HYDROXYÉTHOXY)-5-(2-MÉTHOXYPHÉNOXY) [2,2'-BIPYRIMIDIN]-4-YL] BENZÈNESULFONAMIDE
申请人:MSN LAB LTD
公开号:WO2011021216A2
公开(公告)日:2011-02-24
An improved process for preparing 4-(l, l-dimethylethyl)-N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-[2, 2'-bipyπmidin]-4-yl] benzene sulfonamide monohydrate compound of formula-1 is disclosed