2-Butyl-3- (4- 3- (dibutylamino) propoxy benzoyl) -5-nitro-benzofuran, 2-butyl-3- (4- 3- (dibutylamino) propoxy benzoyl) hydrochloride preparation processes Nitro-benzofuran, dronedarone and its pharmaceutically acceptable salts

摘要

The invention relates to 2-butyl-3-(4-[3-(dibutylamino)propoxy]benzoyl-5-nitrobenzofuran hydrochloride, to its preparation and to its use as synthetic intermediate, in particular in preparing 2-butyl-3-(4-[3-(dibutylamino)propoxy]benzoyl)-5-nitrobenzofuran, itself an intermediate for dronedarone.