copper(l) iodide; 8-hydroxy-quinoline; sodium salt of phosphorous acid in ethanol T=80°C; Suzuki coupling; 24 h;

1: With lithium hexamethyldisilazane in tetrahydrofuran T=-78°C; 1 h; 2: With diethyl chlorophosphate in tetrahydrofuran T=20°C; 1 h; 3: With lithium hexamethyldisilazane in tetrahydrofuran T=20°C; 12 h; Further stages.;

copper(l) iodide; triethylamine; tetrakis(triphenylphosphine) palladium(0) T=20°C; Substitution; 1.5 h;

palladium dichloride in water; acetonitrile 0.5 h; Ambient temperature; Yield given. Yields of byproduct given;

copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); potassium carbonate Sonogashira coupling; 17 h; Neat (no solvent);