triphenylphosphine; nickel dichloride; zinc in N,N-dimethyl-formamide T=23°C; 1.5 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

triphenylphosphine; nickel dichloride; zinc in N,N-dimethyl-formamide T=23°C; 1.5 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

triphenylphosphine; nickel dichloride; zinc in N,N-dimethyl-formamide T=23°C; 1.5 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;