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