(E)-2-[N'-Methyl-N'-(6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-yl)-N-propyl-hydrazino]-but-2-enedioic acid dimethyl ester 以
1,2,3,4-四氢萘 为溶剂,
反应 24.0h,
以33%的产率得到methyl 1-methyl-2,5-dioxo-6-phenyl-3-propylamino-1,2,5,6-tetrahydropyrido<2,3-d>pyridazine-4-carboxylate