1: in tetrahydrofuran T=55°C; 8 h; Inert atmosphere; 2: With water; ammonium chloride in tetrahydrofuran Inert atmosphere;

dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct in tetrahydrofuran; toluene T=50°C; 4 h; Inert atmosphere;