申请人:Sanofi
公开号:US04482718A1
公开(公告)日:1984-11-13
The present invention provides a process for the preparation of 2-(thien-2-yl)- and 2-(thien-3-yl)-ethylamine derivatives of the general formula: ##STR1## in which R.sub.1, in the 2-, 3-, 4- or 5-position, is a hydrogen or halogen atom, a nitro, carboxyl, cyano or amino group, a linear or branched alkyl or alkoxy radical or a heterocyclic or non-heterocyclic aromatic radical, which is optionally mono- or polysubstituted, the aminoethyl chain is in the 2- or 3-position, R.sub.2, R.sub.3 and R.sub.4, which are the same or different, are hydrogen atoms or heterocyclic or non-heterocyclic aromatic radicals, which are optionally mono- or polysubstituted, and Ar is a heterocyclic or non-heterocyclic aromatic radical, which is optionally mono- or polysubstituted.
本发明提供了一种制备2-(噻吩-2-基)-和2-(噻吩-3-基)-乙胺衍生物的过程,其通式如下:在该通式中,R.sub.1在2-、3-、4-或5-位置是氢或卤素原子、硝基、羧基、氰基或氨基、线性或支链烷基或烷氧基基团或杂环或非杂环芳基,可选择是单取代或多取代的,氨基乙基链在2-或3-位置,R.sub.2、R.sub.3和R.sub.4相同或不同,是氢原子或杂环或非杂环芳基,可选择是单取代或多取代的,Ar是杂环或非杂环芳基,可选择是单取代或多取代的。