1: 86 percent / 1.) Bromine / CH2Cl2 / 1.) -22 deg C, 1 h, 2.) 0 deg C, 1 h 2: 1.) tert-Butyllithium / 1.) THF, pentane, -78 deg C, 1 h, 2) 5 min 3: 78 percent / Raney Nickel / ethanol / 6 h / Heating View Scheme