1: para-iodobenzonitrile 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.;