having in position 5 a cyano, in 3 and 4 alkyl, and in 1 a methyl group have shown a high analgetic activity in animals. The 6-methoxypyridazine XX, isomeric with the first named compound, is the only pyridazine derivative which has shown similar analgetic activity.
讨论了
化学上类似于
吡啶-
生物碱蓖麻碱的化合物1,3,4-三甲基-5-
氰基-
吡a酮-(6)的镇痛活性。已经制备了许多类似的衍
生物,但是只有在位置5具有
氰基,在3和4个烷基,在1具有甲基的
哒嗪酮在动物中显示出高的止痛活性。与第一个命名的化合物异构的6-甲氧基
哒嗪XX是唯一显示出相似镇痛活性的
哒嗪衍
生物。