Synthesis and anticonvulsant activity of new 1-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]pyrrolidine-2,5-diones
作者:Krzysztof Kamiński、Sabina Rzepka、Jolanta Obniska
DOI:10.1016/j.bmcl.2011.07.118
日期:2011.10
one compound, all other molecules were found to be effective in at least one seizure model. The most active were 1-(2-oxo-2-4-[3-(trifluoromethyl)phenyl]piperazin-1-yl}ethyl)pyrrolidine-2,5-dione (14), 1-2-[4-(4-chlorophenyl)piperazin-1-yl]-2-oxoethyl}-3-methylpyrrolidine-2,5-dione (17), 1-2-[4-(4-chlorophenyl)piperazin-1-yl]-2-oxoethyl}-3,3-dimethylpyrrolidine-2,5-dione (23) and 3,3-dimethyl-1-(2
合成了二十二种新的1- [2-氧代-2-(4-苯基哌嗪-1-基)乙基]吡咯烷-2,5-二酮,并测试了其抗惊厥活性。在小鼠中使用标准最大电击(MES)和皮下戊四氮(sc PTZ)筛选进行初始抗惊厥筛选。在6 Hz的精神运动性癫痫发作模型中另外测试了几种化合物。应用旋转试验测定神经毒性。除一种化合物外,所有其他分子在至少一种癫痫发作模型中均有效。活性最高的是1-(2-氧代-2- 4- [3-(三氟甲基)苯基]哌嗪-1-基}乙基)吡咯烷-2,5-二酮(14),1- 2- [4 -(4-氯苯基)哌嗪-1-基] -2-氧代乙基} -3-甲基吡咯烷-2,5-二酮(17),1- 2- [4-(4-氯苯基)哌嗪-1-基] -2-氧代乙基} -3,3-二甲基吡咯烷-2,5-二酮(23)和3,3-二甲基-1- (2-氧代-2- 4- [3- [三(三氟甲基)苯基]哌嗪-1-基}乙基)吡咯烷-2,5-二酮(26)。这些化合物在6