4-(6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)benzyl alcohol 、
4-(3-chlorophenyl)-1,4-dihydro-2,6-dimethyl-5-nitropyridine-3-carboxylic acid 在
sodium methylate 、
N,N'-羰基二咪唑 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
以81%的产率得到4-(6-Oxo-1,4,5,6-tetrahydropyridazin-3-yl)benzyl 4-(3-chlorophenyl)-1,4-dihydro-2,6-dimethyl-5-nitropyridine-3-carboxylate