palladium 10 on activated carbon in methanol 5 h;

1: tetra-(n-butyl)ammonium iodide; potassium carbonate / dimethyl sulfoxide / 5 h / 80 °C 2: 10 palladium on activated carbon; hydrogen / methanol / 16 h View Scheme

1: tetra-(n-butyl)ammonium iodide; potassium carbonate / dimethyl sulfoxide / 5 h / 80 °C 2: 10 palladium on activated carbon; hydrogen / methanol / 16 h View Scheme

1: potassium carbonate; tetra-(n-butyl)ammonium iodide / dimethyl sulfoxide / 80 °C 2: palladium on activated charcoal; hydrogen / methanol / 16 h / 20 °C / 2327.23 Torr View Scheme