1: tetrakis(triphenylphosphine) palladium(0) / toluene / 8 h / 100 °C 2: sodium dihydrogenphosphate; sodium chlorite; 2-methyl-but-2-ene / tetrahydrofuran; tert-butyl alcohol; water / 5 h / 20 °C 3: 2,4,6-tri-fluoro-1,3,5-triazine; pyridine 4: potassium hexamethylsilazane / tetrahydrofuran / 0 °C 5: Grubb's 2nd generation catalyst / toluene / 80 °C 6: toluene-4-sulfonic acid / water; acetone / 40 °C 7: aluminium(III) iodide; tetra-(n-butyl)ammonium iodide; 1,3,5-trishydroxybenzene / benzene / 5 °C View Scheme

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in 1,4-dioxane T=120°C; 0.75 h; Inert atmosphereMicrowave irradiation;

potassium hydroxide; trichlorophosphate in N,N-dimethyl-formamide T=20 - 90°C; Inert atmosphere;

1: With trichlorophosphate T=0 - 90°C; Inert atmosphere; 2: With potassium hydroxide in water pH=14; 12 h;