1: phenyllithium With zinc(II) chloride in tetrahydrofuran; anhydrous butyl ether T=20°C; 0.5 h; Inert atmosphere; 2: 4-phenylcabonylphenyl pivalate With Ni(PCy3)2Cl2 in tetrahydrofuran; anhydrous butyl ether; N,N-dimethyl acetamide T=50°C; 2 h; Inert atmosphere;