in dimethyl sulfoxide Kinetics; byproducts: diphenylamine, MeC6H4NPh2; heating of ((phen)3Li)(Cu(NPh2)2) with 5 equiv. of p-iodotoluene in DMSOat 110°C for 1 h;

in dimethyl sulfoxide Kinetics; byproducts: o-MeC6H4NPh2, p-MeC6H4NPh2; heating of (Li(phen)3)(Cu(NPh2)2) with mixt. of o- and p-iodotoluene (20equuv. of each) in DMSO at 100°C for 3 h or at 80°C with added 4 equiv. of CuI;