3,5-Pyridinedicarboxylic acid,4-(2,3-dichlorophenyl)-2-[[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]methyl]-1,4-dihydro-6-methyl-, 3-ethyl 5-(2-methoxyethyl) ester                                                                                                                                                              在
                                                                                                                                                                                 
甲胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以87%的产率得到2-(2-Amino-ethoxymethyl)-4-(2,3-dichloro-phenyl)-6-methyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-(2-methoxy-ethyl) ester