copper(l) iodide; diisopropylamine; tetrakis(triphenylphosphine) palladium(0) in toluene T=20°C; Sonogashira coupling; 13 h;

B-OMe-9-borabicyclo[3.3.1]nonane; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in tetrahydrofuran Heating;

tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; triethylamine; silver(l) oxide; 2,2,2-trimethylacetic acid in ethylene glycol dimethyl ether T=90°C; 5 h; Inert atmosphere;

in acetonitrile 1.5 h; Irradiation;

1: phenyl(phenylsulphonyl)trimethylsilylmethane With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 0.5 h; 2: 5-(phenylethynyl)thiophene-2-carboxaldehyde in tetrahydrofuran; hexane; toluene T=-78 - 20°C; 3: With lithium diisopropyl amide in tetrahydrofuran; hexane; toluene T=-78°C; 0.5 h;