4-(3-acetyl-2-methyl-5-oxo-1,4,5,6-tetrahydropyrido[2,3-d]pyridazin-4-yl)-3-methoxybenzonitrile 、 triethyloxonium fluoroborate 以
二氯甲烷 为溶剂,
反应 5.0h,
以11.3%的产率得到4-(3-Acetyl-5-ethoxy-2-methyl-1,4-dihydropyrido[2,3-d]pyridazin-4-yl)-3-methoxybenzonitrile