Methane-sulfonamide derivatives of the formula: ##STR1## wherein R.sub.1 is hydrogen or a halogen atom, R.sub.2 and R.sub.3 are the same or different and are each hydrogen or a straight or branched alkyl having 1 to 3 carbon atoms, and one of X and Y is a carbon atom and another is a nitrogen atom, provided that the group: --CH.sub.2 SO.sub.2 NR.sub.2 R.sub.3 is bonded to the carbon atom of either of X and Y, and an alkali metal salt thereof, and a process for the preparation of said methane-sulfonamide derivatives. Said compounds have an excellent anticonvulsant activity and are useful as anticonvulsants for controlling convulsions and seizures in patients with epilepsy.
甲烷磺酰胺衍
生物的
化学式为:##STR1## 其中R.sub.1为氢或卤素原子,R.sub.2和R.sub.3相同或不同,分别为氢或直链或分支烷基,其碳原子数为1至3,而X和Y中的一个为碳原子,另一个为氮原子,前提是基团:--CH.sub.2 SO.sub.2 NR.sub.2 R.sub.3连接到X和Y中任意一个碳原子上,并且其碱
金属盐,以及制备该
甲烷磺酰胺衍
生物的方法。所述化合物具有出色的抗惊厥活性,可用作控制癫痫患者的惊厥和抽搐的抗惊厥剂。