palladium diacetate; caesium carbonate; tris(p-fluoro phenyl)phosphine in toluene 8 h; Reflux;

tri-tert-butyl phosphine; caesium carbonate; [RhCl(η2:η2-cycloocta-1,5-diene)]2 in hexane; xylene 24 h; Heating;

1: α,α-diisopropyl-β-methylhomoallylic alcohol With methyl-magnesium iodide in 1,4-dioxane T=25°C; 1 h; 2: 1-Dodecyne With gallium(III) chloride in 1,4-dioxane; hexane 2 h; Heating; Further stages.;

1: α,α-diisopropyl-β-methylhomoallylic alcohol With methyl-magnesium iodide in 1,4-dioxane T=25°C; 1 h; 2: cyclohexanone With gallium(III) chloride in 1,4-dioxane; hexane T=25°C; 0.5 h;

palladium diacetate; caesium carbonate; tris(4-methylphenyl)-phosphine in toluene 8 h; Heating; Title compound not separated from byproducts;