申请人:U C B Societe Anonyme
公开号:US04923865A1
公开(公告)日:1990-05-08
New substituted 1-(1H-imidazol-4-yl)alkyl-benzamides and their salts, processes for the preparation thereof and pharmaceutical compositions. These compounds have the formula ##STR1## wherein R.sub.1, R.sub.2 =hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sub.3 =hydrogen, amino, hydroxyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -hydroxyalkyl, R.sub.4 =hydrogen or C.sub.1 -C.sub.4 -alkyl, or R.sub.3 R.sub.4 N=pyrrolidino, piperidino or morpholino, R.sub.5 and R.sub.6 =hydrogen, hydroxyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, at least one of R.sub.5 and R.sub.6 being other than hydrogen. These compounds are prepared either by reacting a nitrogen compound with an alkyl 1-(1H-imidazol-4-yl)alkyl-benzoate or with a 1-(1H-imidazol-4-yl)alkyl-benzoic acid, or by hydrolyzing in an acid medium a 2-hydroxy-3-[1-(1H-imidazol-4-yl)alkyl]-benzonitrile. The compounds have anti-ischemic and .alpha..sub.2 -adrenoceptor agonist activities.
新的取代1-(1H-咪唑-4-基)烷基苯甲酰胺及其盐,其制备方法和药物组合物。这些化合物的化学式为##STR1##其中R.sub.1,R.sub.2 =氢或C.sub.1 -C.sub.4 -烷基,R.sub.3 =氢,氨基,羟基,C.sub.1 -C.sub.4 -烷基或C.sub.1 -C.sub.4 -羟基烷基,R.sub.4 =氢或C.sub.1 -C.sub.4 -烷基,或R.sub.3 R.sub.4 N=吡咯啉基,哌啶基或吗啉基,R.sub.5和R.sub.6 =氢,羟基,C.sub.1 -C.sub.4 -烷基或C.sub.1 -C.sub.4 -烷氧基,R.sub.5和R.sub.6中至少一个不是氢。这些化合物可以通过将氮化合物与烷基1-(1H-咪唑-4-基)烷基苯甲酸酯或1-(1H-咪唑-4-基)烷基苯甲酸反应,或者在酸性介质中水解2-羟基-3-[1-(1H-咪唑-4-基)烷基]-苯甲腈来制备。这些化合物具有抗缺血和α2-肾上腺素受体激动剂活性。