1,10-phenanthroline; potassium tert-butylate in 1,3,5-trimethyl-benzene T=100°C; 5 h; Inert atmosphere;

1,10-phenanthroline; potassium tert-butylate in 1,3,5-trimethyl-benzene T=100°C; 6 h; Inert atmosphere;

1.1: thionyl chloride / toluene; N,N-dimethyl-formamide / 2.92 h / 0 - 80 °C / |Inert atmosphere 2.1: triethylamine / dichloromethane / 0.08 h / 0 °C / |Inert atmosphere 2.2: 0 - 20 °C / |Inert atmosphere 3.1: 1,10-phenanthroline; potassium tert-butylate / 1,3,5-trimethyl-benzene / 6 h / 100 °C / |Inert atmosphere View Scheme

1.1: triethylamine / dichloromethane / 0.08 h / 0 °C / |Inert atmosphere 1.2: 0 - 20 °C / |Inert atmosphere 2.1: 1,10-phenanthroline; potassium tert-butylate / 1,3,5-trimethyl-benzene / 6 h / 100 °C / |Inert atmosphere View Scheme

sodium hydroxide in methanol 2 h; Irradiation;