chloramine-T in 2-methyl tetrahydrofuran T=60°C; 1.5 h; Inert atmosphere;

1: hydrazine hydrate / ethanol / 1 h / 60 °C / |Inert atmosphere 2: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; potassium carbonate / toluene / 100 °C / |Inert atmosphere 3: chloroamine-T trihydrate / 2-methyl tetrahydrofuran / 2 h / 60 °C / |Inert atmosphere View Scheme

1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; potassium carbonate / toluene / 100 °C / |Inert atmosphere 2: chloroamine-T trihydrate / 2-methyl tetrahydrofuran / 2 h / 60 °C / |Inert atmosphere View Scheme