Design, synthesis, and anticonvulsant activity of new N-Mannich bases derived from spirosuccinimides and spirohydantoins
作者:Jolanta Obniska、Hanna Byrtus、Krzysztof Kamiński、Maciej Pawłowski、Małgorzata Szczesio、Janina Karolak-Wojciechowska
DOI:10.1016/j.bmc.2010.06.064
日期:2010.8
The synthesis and anticonvulsant properties of new N-Mannich bases of [7,8-f]benzo-2-aza-spiro[4.5]decane-1,3-diones (5a–h) and [7,8-f]benzo-1,3-diaza-spiro[4.5]decane-2,4-diones (7a–h) were described. Initial anticonvulsant screening was performed using intraperitoneal (ip) maximal electroshock (MES) and subcutaneous pentylenetetrazole (scPTZ) seizures tests. The neurotoxicity was determined applying
的新的合成和抗惊厥性质Ñ的-Mannich碱[7,8- ˚F ]苯并-2-氮杂-螺[4.5]癸烷-1,3-二酮(5A - ħ)和[7,8- ˚F ]苯并-1,3-二氮杂螺[4.5]癸烷-2,4-二酮(7a – h)被描述。最初的抗惊厥筛查使用腹膜内(ip)最大电击(MES)和皮下戊四氮(sc PTZ)癫痫发作测试进行。应用旋转试验测定神经毒性。大多数化合物在MES或/和SC中均有效云台屏幕。定量研究表明,几种分子比用作参考药物的苯妥英更有效。在6 Hz的测试中筛选了选定的衍生物,并使用毛果芸香碱诱导状态预防模型评估了其对神经药的潜在活性。为了解释抗惊厥作用的可能机理,对于所选的活性衍生物,在体外测试了它们对电压依赖性Na +通道的影响。