methyl 1-(4-cyano-3-fluorophenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carboxylate hydrochloride 、
2-氯-5-正丙基嘧啶 在
N,N-二异丙基乙胺 作用下,
以
N-甲基吡咯烷酮 为溶剂,
以32%的产率得到methyl 1-(4-cyano-3-fluorophenyl)-6-oxo-4-(1-(5-propylpyrimidin-2-yl)piperidin-4-yloxy)-1,6-dihydropyridazine-3-carboxylate