1: With potassium acetate in 1,4-dioxane 0.25 h; 2: With tri-cyclo-hexyl-phosphine; tris-(dibenzylideneacetone)dipalladium(0) in 1,4-dioxane T=100°C; 6.25 h;

tetrakis(triphenylphosphine) palladium(0); triethylamine in 1,4-dioxane T=80°C; Masuda borylation; 3 h; Inert atmosphere;

potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in N,N-dimethyl-formamide T=80 - 90°C; Suzuki Coupling; 2.5 - 3 h; Product distribution / selectivity;

bis(η4-1,5-cyclooctadiene)-di-μ-methoxy-diiridium(I); 4,4'-di-tert-butyl-2,2'-dipyridyl in hexane T=20°C; 5 h; Inert atmosphere; regioselective reaction;

bis(η4-1,5-cyclooctadiene)-di-μ-methoxy-diiridium(I); 3,4,7,8-tetra-methyl-1,10-phenanthroline in tetrahydrofuran T=80°C; 19 h; Inert atmosphereGlovebox;

1: iodine; potassium hydroxide / N,N-dimethyl-formamide / 0.75 h / 20 °C / Inert atmosphere 2: 4-(N,N-dimethlyamino)pyridine / dichloromethane / 1 h / 20 °C / Inert atmosphere 3: tetrakis(triphenylphosphine) palladium(0); triethylamine / 1,4-dioxane / 3 h / 80 °C / Inert atmosphere View Scheme

1: 4-(N,N-dimethlyamino)pyridine / dichloromethane / 1 h / 20 °C 2: tetrakis(triphenylphosphine) palladium(0); triethylamine / 1,4-dioxane / 3 h / 80 °C / Inert atmosphere View Scheme

1: With trifluoroacetic acid in dichloromethane; water 2 h; Inert atmosphere; 2: With sodium carbonate in dichloromethane Inert atmosphere;