3-bromo-6-ethyl-pyridazine hydrobromide 、 N-[4-fluoro-2-[rac-(3R,5S)-3,4,5-trimethylpiperazin-1-yl]-5-(1,2,3,6-tetrahydropyridin-4-yl)phenyl]-6-oxo-4-(trifluoromethyl)-1H-pyridine-3-carboxamide 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以9%的产率得到N-[5-[1-(6-ethylpyridazin-3-yl)-3,6-dihydro-2H-pyridin-4-yl]-4-fluoro-2-[rac-(3R,5S)-3,4,5-trimethylpiperazin-1-yl]phenyl]-6-oxo-4-(trifluoromethyl)-1H-pyridine-3-carboxamide