methyl 1-methyl-4-[3-(4-nitrophenyl)-3-oxopropyl]-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86%的产率得到methyl 7-methyl-2-(4-nitrophenyl)-6-(trifluoromethyl)-5,6,7,8-tetrahydro-1,7-naphthyridine-6-carboxylate