1: 1.) LiAlH4, 2.a) aq. NH4Cl, b) trifluoroacetic anhydride, pyridine / 1.) THF, -78 deg C, 0.5 h, 2.b) ether, 0 deg C 2: 2.) aq. ceric ammonium nitrate / 1.) o-xylene, 140 deg C, 3.5 h, 2.) CH3CN, rt View Scheme