1: With 9-borabicyclo[3.3.1]nonane dimer in tetrahydrofuran T=0 - 20°C; 2: With potassium fluoride; 2-chloro-1,2-diphenyl-ethanone; ((S)-2,2′-bis(diphenylphosphino)-1,1′-binaphthyl)PdCl2*2THF in tetrahydrofuran; water T=60°C; Further stages.;