1: With potassium tert-butylate; silver(I) acetate; triphenylphosphine in tetrahydrofuran T=70°C; P=15201 Torr; 16 h; Inert atmosphereAutoclave; 2: With hydrogenchloride in tetrahydrofuran; water Inert atmosphere;

1: 94 percent Chromat. / methyl vinyl ketone / Ru3(CO)12 / acetone; dioxane / 1 h / Heating 2: aq. HCl / tetrahydrofuran / 12 h View Scheme

in toluene T=20°C; 2 h;