Synthesis and anticonvulsant activity of new N-Mannich bases derived from 5-cyclopropyl-5-phenyl- and 5-cyclopropyl-5-(4-chlorophenyl)-imidazolidine-2,4-diones
作者:Hanna Byrtus、Jolanta Obniska、Anna Czopek、Krzysztof Kamiński、Maciej Pawłowski
DOI:10.1016/j.bmc.2011.08.017
日期:2011.10
Synthesis, physicochemical and anticonvulsant properties of new N-Mannich bases derived from 5-cyclopropyl-5-phenyl- and 5-cyclopropyl-5-(4-chlorophenyl)-imidazolidine-2,4-diones have been described. Initial anticonvulsant screening was performed using intraperitoneal (ip.) maximal electroshock (MES) and subcutaneous pentylenetetrazole (scPTZ) seizure tests. The neurotoxicity was determined applying
已经描述了衍生自5-环丙基-5-苯基-和5-环丙基-5-(4-氯苯基)-咪唑烷-2,4-二酮的新的N-曼尼希碱的合成,理化和抗惊厥性质。最初的抗惊厥筛查是使用腹膜内(ip。)最大电休克(MES)和皮下戊四氮(sc PTZ)癫痫发作测试进行的。应用旋转试验测定神经毒性。小鼠体内的结果表明,所有化合物均有效,尤其是在MES筛选中。大鼠口服给药后的定量评估表明,活性最高的是5-环丙基-5-苯基-咪唑烷-2,4-二酮(1),ED 50值为5.76 mg / kg(MES)和57.31 mg / kg(SC云台)。该分子比用作参考抗癫痫药的苯妥英钠和乙巯乙酰亚胺更有效。另外,在小鼠的精神运动性抽搐试验(6-Hz)中,ED 50为26.06 mg / kg的化合物1显示出与新一代抗惊厥药左乙拉西坦相当的活性。