3-(4-[2-(tetrahydropyran-2-yloxy)ethyl]phenoxy)propyl acetoacetate   、                                                                                      
间硝基苯甲醛   、                                                                                      
β-氨基巴豆酸甲酯                                                                                                                                                                                                                                                                                                          以to produce 2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-(3-[4-(2-tetrahydropyran-2-yloxyethyl)phenoxy]propoxycarbonyl)-1,4-dihydropyridine (1)的产率得到2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-(3-[4-(2-tetrahydropyran-2-yloxyethyl)phenoxy]propoxycarbonyl)-1,4-dihydropyridine