1: 1.) lithium diisopropylamide / 1.) THF, -20 deg C, 30 min; 2) RT, 30 min, THF 2: 64 percent / H2 / Pd/C / methanol 3: 93 percent / ceric ammonium nitrate / H2O; acetonitrile / 0.17 h / Ambient temperature View Scheme