申请人:Imperial Chemical Industries PLC
公开号:US04645771A1
公开(公告)日:1987-02-24
The disclosure concerns novel 1-benzyl-1,2,3,6-tetrahydropyridine derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen or a (1-4C)-alkyl radical, and benzene ring A bears one or two substituents selected from combinations of halogeno, (1-4C)-alkyl, (1-4C)-alkoxy, hydroxy, nitro, cyano, carboxamido, carboxyl, [(1-4C)-alkoxy]carbonyl, hydroxymethylene, amino, (1-4C)-alkanoylamino, (1-4C)-alkylsulphonamido, [(1-4C)-alkoxy]carbonyloxy, (1-4C)-alkanoyloxy and optionally substituted benzoyloxy radicals, and their pharmaceutically acceptable salts; pharmaceutical compositions thereof; analogy processes for their manufacture; and methods of medical treatment employing such derivatives. The compounds of formula I are inhibitors of the aggregation of blood platelets and are of application in the treatment or prophylaxis of thrombosis or occlusive vascular disease. Representative compounds possessing particularly good blood platelet aggregation inhibitory properties are 1-(3,4-dichloro-, 4-chloro-3-hydroxy-, and 4-hydroxy-benzyl)-1,2,3,6-tetrahydropyridine, preferably as their hydrochloride salts.
该披露涉及新型1-苄基-1,2,3,6-四氢吡啶衍生物,其化学式为:其中R.sup.1为氢或(1-4C)-烷基基团,苯环A上带有一个或两个取代基,可选择自卤、(1-4C)-烷基、(1-4C)-烷氧基、羟基、硝基、氰基、羧酰胺基、羧基、[(1-4C)-烷氧基]羰基、羟甲基、氨基、(1-4C)-烷酰胺基、(1-4C)-烷基磺酰胺基、[(1-4C)-烷氧基]羰氧基、(1-4C)-烷酰氧基和可选择取代的苯甲酰氧基基团,及其药学上可接受的盐;以及这些衍生物的药物组合物;其制备的类似方法;以及应用这类衍生物的医疗治疗方法。化合物I的公式为血小板聚集抑制剂,适用于治疗或预防血栓形成或闭塞性血管疾病。具有特别良好的血小板聚集抑制性能的代表性化合物是1-(3,4-二氯-, 4-氯-3-羟基-, 和4-羟基-苄基)-1,2,3,6-四氢吡啶,最好是其盐酸盐形式。