potassium fluoride on basic alumina; 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; tris(dibenzylideneacetone)dipalladium (0) T=80 - 90°C; 1 h;

potassium fluoride on basic alumina; 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; tris(dibenzylideneacetone)dipalladium (0) T=135°C; 3 h;

in ethanol 23 h; Heating;

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in 1,4-dioxane; dichloromethane T=80°C; 12 h;

1: 1) Li, 2) S / 1) ether, reflux, 3 h; 2) reflux, 1 h 2: 60 percent / Na / ethanol / 3.5 h / Heating 3: 59 percent / Polyphosphoric acid / 0.5 h / 130 °C 4: 1) Mg / 1) ether; 2) ether/benzene 5: 52 percent / 57percent hydroiodic acid, NaH2PO2*H2O / acetic acid / 4 h / 120 °C View Scheme