methyl 4-(3-cyclohexyl-3-oxopropyl)-1-methyl-5-oxo-2-(trifluoromethyl)-1,2,5,6-tetrahydropyridine-2-carboxylate 在
ammonium acetate 作用下,
以
溶剂黄146 为溶剂,
反应 1.0h,
以88%的产率得到methyl 2-cyclohexyl-7-methyl-6-(trifluoromethyl)-5,6,7,8-tetrahydro-1,7-naphthyridine-6-carboxylate