1,4-dihydro-4-(3,4-dimethoxyphenyl)-2,6-dimethyl-1-(3-phenylpropyl)-3-cyano-5-hydroxymethylpyridine                                                                                                                                                              在
                                                                                                                                         manganese dioxide                                                                                                                                                                                                                               
ethyl acetate n-hexane                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,1-二氯乙烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以to give 7.4 mg (0.015 mmol) of 1,4-dihydro-4-(3,4-dimethoxyphenyl)-2,6-dimethyl -1-(3-phenylpropyl)-3-cyano-5-formylpyridine (yield: 58%)的产率得到1,4-dihydro-4-(3,4-dimethoxyphenyl)-2,6-dimethyl-1-(3-phenylpropyl)-3-cyano-5-formylpyridine