AgNO2; iodine in dichloromethane 72 h; Ambient temperature; Yield given. Yields of byproduct given;

1: dicyclohexyl(2′,6′-dimethoxybiphenyl-2-yl)phosphine; tripotassium phosphate monohydrate; palladium diacetate / toluene 2: 10 palladium on activated charcoal; hydrogen / ethanol 3: hydrogenchloride; sodium nitrite / water / Cooling with ice View Scheme

1: 10 palladium on activated charcoal; hydrogen / ethanol 2: hydrogenchloride; sodium nitrite / water / Cooling with ice View Scheme

1: With hydrogenchloride; sodium nitrite in water Cooling with ice; 2: With potassium iodide in water

1.1: dicyclohexyl(2′,6′-dimethoxybiphenyl-2-yl)phosphine; palladium diacetate; triethylamine / 1,4-dioxane / 80 °C 2.1: potassium hydrogen fluoride / methanol; water / 0.5 h 2.2: 1 h View Scheme