palladium on activated charcoal in xylene 17 h; Heating;

1: 61 percent / m-chloroperoxybenzoic acid, 5percent aqu. NaHCO3 / CH2Cl2 / 1 h 2: 80 percent / BF3 / benzene / 0.08 h / 20 °C 3: 67 percent / 10percent Pd/C / xylene / 17 h / Heating View Scheme

1: 80 percent / BF3 / benzene / 0.08 h / 20 °C 2: 67 percent / 10percent Pd/C / xylene / 17 h / Heating View Scheme