bis(acetylacetonate)nickel(II); 1,1,3,3-tetramethyldisiloxane; trimethylaluminum; tri-cyclo-hexyl-phosphine in toluene T=130°C; 24 h; Inert atmosphere;

tetra-n-butylammonium difluorotriphenylsilicate(IV) in tetrahydrofuran 46 h; Heating;

1.1: sodium hydride / N,N-dimethyl-formamide / 0.58 h / 0 °C 1.2: 15 h / 0 - 20 °C 2.1: bis(acetylacetonate)nickel(II); tri-cyclo-hexyl-phosphine; 1,1,3,3-tetramethyldisiloxane; trimethylaluminum / toluene / 24 h / 130 °C / |Inert atmosphere View Scheme

T=81°C;

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in tetrahydrofuran T=-78 - 25°C; 24 h; with other catalyst (<1,1'-bis(diphenylphosphino)ferrocene>palladium(0) (dppf)Pd(0)) or without, other solvent, other reaction temperatures; Product distributionMechanism;

diethyl ether Hydrierung des Reaktionsprodukts an Palladium-BaSO4 in Aethylacetat;

methanium ion Thermodynamic data; Further Variations:Reagents;