反应条件
1.1: sulfuric acid / water; N,N-dimethyl acetamide / |Reflux 2.1: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 20 °C 3.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / |Reflux 3.2: |Reflux View Scheme
参考文献
Archiv der Pharmazie, , vol. 347, # 3 p. 174 - 184