3-(6-Amino-1,6-dihydro-pyridazin-4-yl)-N-methyl-benzamide 、
N-(2-氯乙酰基)甲酯基甲酰胺 在
methanol-dichloromethane 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 7.5h,
以to afford [7-(3-Methylcarbamoyl-phenyl)-imidazo-[1,2-b]-pyridazin -2-yl]-carbamic acid methyl ester as a green solid的产率得到[7-(3-methylcarbamoyl-phenyl)imidazo[1,2-b]pyridazin-2-yl]carbamic acid methyl ester