反应详情

By substituting 4-methylpiperazine for the 3-(dimethylamino)propylamine in the procedure of Example 1 (c), 8-ethyl-5-(4-methyl-1-piperazinyl)-8H-pyrazolo[4',3':5,6]-pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidine is formed.