Cycloaddition of N-arylimines with N-vinylpyrrolidin-2-one or N-methyl-N-vinylacetamide was efficiently initiated by cerium(IV) ammonium nitrate (CAN), and produced stereoselectively the corresponding 2,4-cis-4-amido-N-yl tetrahydroquinoline derivatives in good yields.
的环加成Ñ与-arylimines Ñ -vinylpyrrolidin -2-酮或ñ甲基ñ -vinylacetamide被有效通过
铈(IV)
铵(CAN),发起并立体选择性产生相应的2,4-顺式-4-酰
氨基N-基
四氢喹啉衍
生物收率高。