1: 4-trifluoromethyl-1-iodobenzene With copper; zinc in N,N-dimethyl-formamide T=100°C; 0.166667 h; 2: 4-bromo-benzaldehyde With bis-triphenylphosphine-palladium(II) chloride in N,N-dimethyl-formamide T=120°C; Negishi cross-coupling reaction; 0.0833333 h; Further stages.;
Carr, Gillian E.; Chambers, Richard D.; Holmes, Thomas F.; Parker, David G.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 921 - 926