5-O-ethyl 3-O-methyl 4-(2-methoxy-6-pentadecylphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide   、                                                                                                  
碘                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.08h,
                                                                                                                生成                                                 4-(2-Methoxy-6-pentadecyl-phenyl)-2,6-dimethyl-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-methyl ester