A series of 1-aromatic ring substituted 4-(3, 4-dimethoxybenzoyl)piperazines were synthesized and examined for positive inotropic activity on the canine heart. Among them, 6-[4-(3, 4-dimethoxybenzoyl)-1-piperazinyl]-3-methyl-1H, 3H-quinazolin-2, 4-dione was found to have a potent activity.
合成了一系列带有1-芳环取代的4-(3,4-二
甲氧基苯甲酰)
哌嗪化合物,并对其在大犬心脏上的正性肌力活性进行了研究。其中,6-[4-(3,4-二
甲氧基苯甲酰)-1-
哌嗪基]-3-甲基-1H,3H-
喹唑啉-2,4-二酮展现出强大的活性。