(Aryloxy)aryl Semicarbazones and Related Compounds: A Novel Class of Anticonvulsant Agents Possessing High Activity in the Maximal Electroshock Screen
作者:Jonathan R. Dimmock、Ramanan N. Puthucode、Jennifer M. Smith、Mark Hetherington、J. Wilson Quail、Uma Pugazhenthi、Terry Lechler、James P. Stables
DOI:10.1021/jm9603025
日期:1996.1.1
A number of (aryloxy)aryl semicarbazones and related compounds were synthesized and evaluated for anticonvulsant activities. After intraperitoneal injection to mice, the semicarbazones were examined in the maximal electroshock (MES), subcutaneous pentylenetetrazole (scPTZ), and neurotoxicity (NT) screens. The results indicated that greater protection was obtained in the MES test than the scPTZ screen
合成了许多(芳氧基)芳基半咔唑酮和相关化合物,并评估了其抗惊厥活性。腹膜内注射给小鼠后,在最大电击(MES),皮下戊四氮(scPTZ)和神经毒性(NT)筛查中检查了氨基脲。结果表明,MES测试比scPTZ屏幕获得了更大的保护。对大约三分之一的化合物进行定量后,发现平均保护指数(PI,即TD50 / ED50)约为9。口服给予大鼠后,许多化合物在MES筛查中表现出显着的效力(1-5 mg的ED50) / kg),同时具有很高的保护指数。实际上,一半以上的化合物的PI值均大于100,而其中两种化合物的PI值均超过300。口服给予大鼠后,该化合物在scPTZ和NT筛选中基本无活性。与三种参考临床使用药物相比,各种化合物在小鼠腹膜内和大鼠口服筛查中显示出更高的效价和PI值。产生的数据支持结合位点假说。定量的构效关系表明了许多物理化学参数,这些参数有助于MES筛查中的活性。五个化合物的X射线晶体学分