There is provided a method of treatment of neurological disorders, such as epilepsy, stroke and cerebral ischaemia, which comprises the administration of a compound of Formula I: ##STR1## wherein, Ar.sub.1 and Ar.sub.2, which may be the same or different, independently represent phenyl or phenyl substituted by one or more of amino, nitro, halogen, hydroxy, C1 to 6 alkoxy, C1 to 6 alkyl or cyano; R.sub.1 represents hydrogen, C1 to 6 alkyl, C1 to 6 alkoxycarbonyl; R.sub.2 represents hydrogen or COCH.sub.2 NH.sub.2 ; R.sub.3 represents hydrogen or C1 to 6 alkyl; in addition, when R.sub.2 represents hydrogen either one or both of Ar.sub.1 and Ar.sub.2 may also represent 2-, 3- or 4-pyridinyl and R.sub.1 may also represent trihalomethyl; or a pharmaceutically acceptable salt thereof. Some of the compounds of formula I are novel, and these are also provided, together with pharmaceutical compositions containing the novel compounds.
提供了一种治疗神经系统疾病,如癫痫、中风和脑缺血的方法,该方法包括给予式I的化合物:##STR1## 其中,Ar.sub.1和Ar.sub.2可以相同或不同,独立地代表苯基或被一个或多个
氨基,硝基,卤素,羟基,C1到6烷氧基,C1到6烷基或
氰基取代的苯基;R.sub.1代表氢,C1到6烷基,C1到6烷氧羰基;R.sub.2代表氢或COCH.sub.2 NH.sub.2;R.sub.3代表氢或C1到6烷基;此外,当R.sub.2代表氢时,Ar.sub.1和Ar.sub.2中的任意一个或两个也可以代表2-,3-或4-
吡啶基,而R.sub.1也可以代表三卤甲基;或其药学上可接受的盐。式I的某些化合物是新颖的,同时提供这些化合物以及含有新颖化合物的制药组合物。