1: potassium carbonate / N,N-dimethyl-formamide 2: 1,10-phenanthroline; potassium tert-butylate / pyridine / 2 h / 120 °C / |Microwave irradiation; |Inert atmosphere 3: hydrogenchloride / ethanol; water / 50 °C View Scheme

1: potassium carbonate / N,N-dimethyl-formamide / 12 h / 20 °C / |Inert atmosphere 2: pyridine; potassium tert-butylate; (R)-(+)-1,1'-binaphthyl-2,2'-diamine / 2 h / 120 °C / |Inert atmosphere; |Microwave irradiation View Scheme

1: potassium carbonate / N,N-dimethyl-formamide 2: potassium tert-butylate; (R)-(+)-1,1'-binaphthyl-2,2'-diamine / pyridine / 2 h / 120 °C / |Microwave irradiation; |Inert atmosphere View Scheme