2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; sodium t-butanolate; tris-(dibenzylideneacetone)dipalladium(0) in toluene T=80°C; 24 h;

tris-(dibenzylideneacetone)dipalladium(0); 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; sodium t-butanolate in toluene T=80°C; 16 h; Inert atmosphere;

1: With n-butyllithium in tetrahydrofuran; hexane T=-70°C; 1 h; 2: With isopropyldiisopropoxyborane in tetrahydrofuran; hexane T=-70 - 20°C; 1.16667 h; 3: With water; ammonium chloride in tetrahydrofuran; hexane; isopropyl alcohol 0.5 h;