palladium on activated charcoal in various solvent(s) T=150°C;

1: 47 percent / t-BuOK / dimethylsulfoxide / 2 h / Ambient temperature 2: 74 percent / H2 / PtO2 / methanol 3: conc. HCl, glacial HOAc / Heating 4: 20 percent / 20percent Pd-C / various solvent(s) / 150 °C View Scheme

1: conc. HCl, glacial HOAc / Heating 2: 20 percent / 20percent Pd-C / various solvent(s) / 150 °C View Scheme