哌嗪 、
1-(but-2-ynyl)-2-chloro-5-methyl-6-(quinolin-2-ylmethyl)-5,6-dihydro-1H-imidazo[4,5-d]pyridazine-4,7-dione 以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 18.0h,
以33%的产率得到1-(but-2-ynyl)-2-(piperazin-1-yl)-5-methyl-6-(quinolin-2-ylmethyl)-5,6-dihydro-1H-imidazo[4,5-d]pyridazine-4,7-dione