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