乙酰乙酸乙酯 、
2-(n-propyl)-1-[(2'-carbomethoxybiphenyl-4-yl)methyl]imidazole-4-carboxaldehyde 在
ammonium hydroxide 作用下,
以
甲醇 为溶剂,
以58%的产率得到diethyl 1,4-dihydro-2,6-dimethyl-4-[2-n-propyl-1-[(2'-carbomethoxybiphenyl-4-yl)methyl]imidazole-4-yl]-3,5-pyridinedicarboxylate