1: 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane With potassium tert-butylate; tris-(o-tolyl)phosphine; copper(l) chloride in tetrahydrofuran 0.166667 h; Inert atmosphere; 2: diphenyl acetylene With methanol in tetrahydrofuran T=20°C; Inert atmosphere; regioselective reaction;

1: 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane With copper(II) hydroxide carbonate; triphenylphosphine in water T=20°C; 0.5 h; Inert atmosphere; 2: PhCH=CHPh T=27°C; 24 h;

2,6-bis[1-((2,6-diethylphenyl)imino)ethyl]pyridine; ethylmagnesium bromide; iron(II) chloride in tetrahydrofuran; diethyl ether T=20°C; 1 h; Inert atmosphere; stereoselective reaction;

2Fe(1+)*9CO in toluene T=100°C; 24 h; Inert atmosphere; Overall yield = > 99 percent;

1: diphenyl acetylene; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane With [Pt(PPh3)4] in 1,4-dioxane T=180°C; 0.5 h; microwave irradiation; 2: iodobenzene With potassium hydroxide; tetrakis(triphenylphosphine) palladium(0) in 1,4-dioxane T=140°C; Suzuki cross-coupling reaction; 0.5 h; microwave irradiation; Further stages.;

1: diphenyl acetylene; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane With [Pt(PPh3)4] in 1,4-dioxane T=180°C; 0.5 h; microwave irradiation; 2: bromobenzene With potassium hydroxide; tetrakis(triphenylphosphine) palladium(0) in 1,4-dioxane T=140°C; Suzuki cross-coupling reaction; 0.5 h; microwave irradiation; Further stages.;