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.
公式为:##STR1##的
甲烷磺酰胺衍
生物,其中R.sub.1为氢或卤素原子,R.sub.2和R.sub.3相同或不同,均为氢或具有1至3个碳原子的直链或支链烷基,而X和Y中的一个是碳原子,另一个是氮原子,前提是基团:--CH.sub.2 SO.sub.2 NR.sub.2 R.sub.3与X和Y中的任意一个碳原子结合,并且其碱
金属盐以及制备该
甲烷磺酰胺衍
生物的过程。这些化合物具有出色的抗惊厥活性,并且可用作抗惊厥药物,用于控制癫痫患者的惊厥和发作。