iron (III) acetylacetonate in tetrahydrofuran; 1-methyl-pyrrolidin-2-one T=25°C; 1 h; Inert atmosphereSchlenk technique;

bis(1,5-cyclooctadiene)nickel (0); Ipr.HCl; sodium t-butanolate in 1,4-dioxane T=75°C; 5 h; Molecular sieveSchlenk technique;