1: hydrogen, 60percent HClO4 / Pd-black / acetic acid / 20 h / Ambient temperature 2: 5 M KOH / methanol / 3 h / Ambient temperature 3: DCC / tetrahydrofuran 4: BH3*SMe2 / tetrahydrofuran / 3 h / Ambient temperature 5: CAN / acetonitrile; H2O / 0.08 h / Ambient temperature 6: 74 percent / Na2CO3 / ethanol / 3 h / Ambient temperature 7: 24 percent / LiClO4 / acetonitrile / 1 h / electrolysis View Scheme