1: With [Pd(OSO2CF3)(CH3Si(C6H4P(C6H5)2)2)]; diethylzinc in hexane; N,N-dimethyl-formamide T=60°C; 8 h; 2: With hydrogenchloride in hexane; water; N,N-dimethyl-formamide

(1,10-phenanthroline)Ni(1,5-cyclooctadiene); sulfuric acid 1.) THF, - 10 deg C, 2 h; 2.) ether, reflux, 8 h; Multistep reaction;