hydrogen; palladium on activated charcoal in ethanol P=760 Torr; Ambient temperature;

dichloro(cycloocta-1,5-diene)palladium(II) in benzene 24 h; Ambient temperature;

1: 82 percent / t-BuOK / dimethylsulfoxide / Ambient temperature 2: 85 percent / dichloro(1,5-cyclooctadiene)palladium (II) / benzene / 24 h / Ambient temperature View Scheme