1: With n-butyllithium; tri-isopropoxy-borane in tetrahydrofuran; toluene T=-70 - -20°C; 0.5 h; 2: With hydrogenchloride in tetrahydrofuran; hexane; toluene T=20°C; pH=1;

potassium acetate; [1,1'-bis(diphenylphosphino)ferrocene]dichloropalladium(II) in N,N-dimethyl-formamide T=80°C; Product distribution / selectivity;