申请人:Sanofi-Synthelabo
公开号:US06118006A1
公开(公告)日:2000-09-12
The invention relates to a method for the preparation of 1-[2-(2-naphthyl)ethyl]-4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyri dine and its pharmaceutically acceptable salts by reacting 2-(2-bromoethyl)naphthalene with 4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine or one of its salts, and to a universal method for the preparation of the same product and its salts by the reduction of naphthylacetic acid, treatment of the resulting 2-naphthylethanol with hydrobromic acid and treatment of the 2-(2-bromoethyl)naphthalene with 4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine or one of its salts.
该发明涉及一种制备1-[2-(2-萘基)乙基]-4-(3-三氟甲基苯基)-1,2,3,6-四氢吡啶及其药用可接受盐的方法,通过将2-(2-溴乙基)萘烷与4-(3-三氟甲基苯基)-1,2,3,6-四氢吡啶或其盐之一反应来实现,以及通过还原萘乙酸、将产生的2-萘乙醇与氢溴酸处理,以及将2-(2-溴乙基)萘烷与4-(3-三氟甲基苯基)-1,2,3,6-四氢吡啶或其盐之一处理来制备相同产品及其盐的通用方法。