反应条件
1: 2,4,6-trichloro-1,3,5-triazine; N,N-dimethyl-formamide / dichloromethane / 20 - 40 °C / |Inert atmosphere 2: methanesulfonic acid / 40 - 45 °C 3: triethylamine / 20 - 30 °C / |Inert atmosphere 4: potassium carbonate / N,N-dimethyl-formamide / 10 h / 40 °C / |Inert atmosphere View Scheme