Process for the preparation of 2,5-bis-(2,2,2-trifluoroethoxy)-n-(2-piperidyl-methyl)-benzamide (flecanide)
申请人:A.M.S.A. ANONIMA MATERIE SINTETICHE E AFFINI S.p.A.
公开号:EP1283201A1
公开(公告)日:2003-02-12
Process for the synthesis of FLECAINIDE comprising the reaction between 2,5-dihydroxybenzoic acid with trifluoroethanol perfluorobutanesulphonate to give the intermediate trifluoroethanol 2,5-bis-trifluoroethoxybenzoate, the reaction of said intermediate with 2-aminomethylpiperidine to give FLECAINIDE.
合成 FLECAINIDE 的过程包括将 2,5-二羟基苯甲酸与三氟乙醇全氟丁磺酸酯反应,得到中间体三氟乙醇 2,5-双三氟乙氧基苯甲酸酯,然后将该中间体与 2-氨甲基哌啶反应,得到 FLECAINIDE。