Synthesis, Physicochemical, and Anticonvulsant Properties of New<i>N</i>-Mannich Bases Derived from Pyrrolidine-2,5-dione and Its 3-Methyl Analog
作者:Sabina Rybka、Jolanta Obniska、Anna Rapacz、Barbara Filipek、Krzysztof Kamiński
DOI:10.1002/ardp.201400152
日期:2014.10
compounds were N‐[4‐(3,4‐dichlorophenyl)‐piperazin‐1‐yl}‐methyl]‐3‐methylpyrrolidine‐2,5‐dione (12) with ED50 = 16.13 mg/kg (MES), ED50 = 133.99 mg/kg (scPTZ) and N‐[4‐(3,4‐dichlorophenyl)‐piperazin‐1‐yl}‐methyl]‐pyrrolidine‐2,5‐dione (23) with ED50 = 37.79 mg/kg (MES), ED50 = 128.82 mg/kg (scPTZ), whereas N‐[4‐(3‐trifluoromethylphenyl)‐piperazin‐1‐yl}‐methyl]‐pyrrolidine‐2,5‐dione (24) was effective
合成了一系列 22 种新的 N-[(4-苯基哌嗪-1-基)-甲基]-3-甲基-吡咯烷-2,5-二酮和吡咯烷-2,5-二酮衍生物,并评估了它们的抗惊厥活性。小鼠腹腔注射后的最大电休克 (MES) 和皮下戊四唑 (scPTZ) 癫痫试验。应用旋转棒试验确定神经毒性。小鼠体内结果表明,七种化合物在 MES 或/和 scPTZ 癫痫发作测试中有效。对小鼠腹膜内给药后两项测试的定量评估表明,活性最强的化合物是 N-[4-(3,4-二氯苯基)-哌嗪-1-基}-甲基]-3-甲基吡咯烷-2,5-二酮 (12),ED50 = 16.13 mg/kg (MES),ED50 = 133.99 mg/kg (scPTZ) 和 N-[4-(3,4-二氯苯基)-哌嗪-1-基}-甲基]-吡咯烷‐2, 5-二酮 (23),ED50 = 37.79 mg/kg (MES),ED50 = 128.82 mg/kg (scPTZ),而