1: 72 percent / 1.) KBH4 / acetonitrile; acetic acid / 1.) 4 deg C, 2.) room temperature, 16 h 3: 1.) powdered iron, 6 N HCl/MeOH, 2.) sodium nitrite, conc. HCl / 1.) 50 deg C, 16 h, 2.) room temp., 30 min View Scheme