water; sodium carbonate; tetrakis(triphenylphosphine) palladium(0) in toluene T=110°C; Suzuki cross-coupling; 16 h;

tetrabutylammomium bromide; 2,2'-bipyridine*NiBr2 in N,N-dimethyl-formamide T=20°C; Electrochemical reaction;

dicyclohexyl(2′,6′-dimethoxybiphenyl-2-yl)phosphine; palladium diacetate; potassium carbonate in neat (no solvent) T=110°C; Suzuki-Miyaura Coupling; 24 h; Schlenk techniqueInert atmosphere;

[Ni(1-(1-ethyl-benzimidazol-2-ylmethyl)-3-mesitylimidazolin-2-ylidene)2][Cl]2; sodium acetate in tetrahydrofuran T=20°C; Kumada-Corriu coupling reaction; Inert atmosphere;

1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C / |Schlenk technique; |Inert atmosphere 1.2: -90 - 20 °C / |Schlenk technique; |Inert atmosphere 2.1: palladium diacetate; dicyclohexyl(2′,6′-dimethoxybiphenyl-2-yl)phosphine; potassium carbonate / neat (no solvent) / 24 h / 110 °C / |Schlenk technique; |Inert atmosphere View Scheme

1: sodium sulfate / tetrahydrofuran / 24 h / 20 °C / |Schlenk technique; |Inert atmosphere 2: palladium diacetate; dicyclohexyl(2′,6′-dimethoxybiphenyl-2-yl)phosphine; potassium carbonate / neat (no solvent) / 24 h / 110 °C / |Schlenk technique; |Inert atmosphere View Scheme

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