1: With manganese; [2,2']bipyridinyl; (Z,Z)-1,5-cyclooctadiene; niobium bromide in N,N-dimethyl-formamide; toluene T=20°C; Yamamoto coupling; 2: N-(4-bromophenyl)-4-methyl-N-(p-tolyl)benzenamine in N,N-dimethyl-formamide; toluene T=50°C; 48 h;

sodium tert-pentoxide; palladium diacetate; 1,3,5,7-tetramethyl-2,4,6-trioxa-8-phosphatricyclo[3.3.1.1(3,7)]decane in toluene T=20 - 90°C; 1.58333 - 1.83333 h;

potassium tert-butylate; [2,6-iPr2C6H3N=C(H)C(H)=NC6H3-2,6-iPr2]; copper(l) iodide in toluene T=120°C; 20 h;

1: With Cu(II) perchlorate in acetonitrile T=25°C; 12 h; 2: With potassium carbonate in water; acetonitrile T=25°C; 0.5 h; Further stages.;