Process for the preparation of 2,5-bis-(2,2,2-trifluoroethoxy)-N-(2-piperidylmethyl)-benzamide and salts thereof
申请人:"Joint Stock Company Grindeks"
公开号:EP1918280A1
公开(公告)日:2008-05-07
A process for the preparation of Flecainide acetate, its salts, in particular its pharmaceutically acceptable salts, and intermediates thereof is described wherein 2,5-dibromotoluene is used as a starting material. The method involves a technique for preparing the starting material 2,5-bis(2,2,2-trifluroethoxy)toluene in high yields by reacting 2,5-dibromotoluene with 2,2,2-trifluoroethanol in the presence of a base and a copper-containing catalyst.
描述了一种制备Flecainide乙酸盐及其盐,特别是其药用可接受的盐和中间体的方法,其中2,5-二溴甲苯被用作起始原料。该方法涉及一种技术,通过在碱和含铜催化剂存在下将2,5-二溴甲苯与2,2,2-三氟乙醇反应,高产率地制备起始原料2,5-双(2,2,2-三氟乙氧基)甲苯。