申请人:Fabrica Espanola de Productos Quimicos y Farmaceuticos, S.A.
公开号:US05256665A1
公开(公告)日:1993-10-26
A description is made of the preparation of new 2-piperazinylbenzimidazole erivatives, of general formula ##STR1## where R can be a hydrogen atom, a short chain alkyl group and a phenyl radical, substituted in position four by a halogen, and R.sub.1 can be a hydrogen atom, an alkoxycarbonyl radical, a hydroxymethyl group and a diphenylmethyl group, and their addition salts with pharmaceutically acceptable acids. These compounds are pharmacologically active as antagonists of the serotonin 5HT.sub.3 receptors.
本文描述了一种新的2-哌嗪基苯并咪唑衍生物的制备,其一般式为##STR1##其中R可以是氢原子,短链烷基和苯基基团,被卤素取代的位置为四位,R.sub.1可以是氢原子,烷氧羰基基团,羟甲基基团和二苯甲基基团,以及它们与药学上可接受的酸的加合物。这些化合物在药理学上作为5HT.sub.3受体拮抗剂具有药理活性。