lithium diisopropyl amide in tetrahydrofuran 1.) -75 deg C, 3 h, 2.) -75 deg C, 2 h;

sodium hydrogencarbonate; palladium diacetate; 1,1'-bis(diphenylphosphino)ferrocene in N,N-dimethyl-formamide T=80°C;

1: With N-ethyl-N,N-diisopropylamine; lithium chloride; tris-(dibenzylideneacetone)dipalladium(0) in N,N-dimethyl-formamide T=160°C; 0.333333 h; Microwave irradiation; 2: With sodium hydrogencarbonate in water; ethyl acetate; N,N-dimethyl-formamide