hydrogen; tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl in toluene T=95 - 100°C; 24 h;

pyridine in dichloromethane T=0 - 20°C; 18 h;

caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; tris(dibenzylideneacetone)dipalladium (0) in toluene T=95 - 100°C; 24 h;

1: Methyltriphenylphosphonium bromide With potassium hexamethylsilazane in tetrahydrofuran; tolulene T=20°C; 2 h; 2: benzyl 3-fluoro-4-formylphenylcarbamate in tetrahydrofuran; tolulene T=-78 - -10°C;