methyl 5-methoxy-6-oxo-1-((tetrahydrofuran-2-yl)methyl)-3-(trifluoromethyl)-1,6-dihydropyridazine-4-carboxylate 、
对氟苄胺 反应 11.0h,
以33%的产率得到N-(4-fluorobenzyl)-5-hydroxy-6-oxo-1-((tetrahydrofuran-2-yl)methyl)-3-(trifluoromethyl)-1,6-dihydropyridazine-4-carboxamide