1: 1) NaOH, 2) Amberlite IRC-50S / 1) H2O, 24 h, 2) H2O 2: 88 percent / H2 / Pd-C / methanol / 12 h / 760 Torr / Ambient temperature 3: 80 percent / BF3*Et2O / acetonitrile / 1 h / 0 °C View Scheme