ethyl 2-amino-4-(3,5-dimethoxyphenyl)-1,4-dihydro-6-methyl-5-(2,4,6-trifluorophenyl)-3-pyridinecarboxylate 在
manganese dioxide
四氢呋喃 作用下,
以
二氯甲烷 为溶剂,
反应 22.0h,
以to provide the title compound as a light tan solid (14 g)的产率得到ethyl 2-amino-4-(3,5-dimethoxyphenyl)-6-methyl-5-(2,4,6-trifluorophenyl)-3-pyridinecarboxylate