palladium 10 on activated carbon; hydrogen in ethyl acetate T=20°C;

1: With tetra-(n-butyl)ammonium iodide; potassium carbonate in benzene 24 h; Heating; 2: With hydrogen; palladium on activated charcoal in methanol 1 h;

1: 1.) NaH / 1.) dioxane, RT, 30 min, 2.) dioxane, RT, 2 d 2: 2.033 g / H2 / 10percent Pd/C / ethyl acetate / 18 h / 2100 Torr View Scheme