An unusual rearrangement during pyridine synthesis. Anomalous condensation of a β-keto enamine with a tetronic acid.
作者:Andrew S. Kende、Joachim E. Veits、Dennis P. Lorah、Frank H. Ebetino
DOI:10.1016/s0040-4039(01)81195-3
日期:1984.1
The condensation of β-keto enamine 1 with 5-methyltetronic acid takes an anomalous course. Single crystal X-ray analysis and chemical evidence establish the rearranged pyridine structure 15 for this condensation product.
β-酮烯胺1与5-甲基tetronic酸的缩合过程反常。单晶X射线分析和化学证据确定了该缩合产物的重排吡啶结构15。