反应详情

By substituting 3-piperazinopropyl chloride for the 1-chloro-2-morpholinoethane in the procedure of Example 8 and utilizing the 4H-pyrazolo[4',3':5,6]pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-5(8H)-one product of Example 11, 4-(3-piperazino)propyl-4H-pyrazolo[4',3':5,6]pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-5(8H)-one is obtained.