3-O-ethyl 5-O-(2-phenylmethoxyethyl) 4-(2-cyanophenyl)-2-formyl-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以87.4%的产率得到3-O-ethyl 5-O-(2-phenylmethoxyethyl) 4-(2-cyanophenyl)-2-(hydroxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate