1: 93 percent / quinoline, H2 / 5percent Pd/C / ethanol / 1 h / 760 Torr / Ambient temperature 2: 45 percent / KOH / dimethylsulfoxide / 5 h / Ambient temperature 3: 70 percent / NaH / dimethylformamide; CH2Cl2 / 5 h / Ambient temperature 4: 72 percent / H2 / 10percent Pd/C / methanol / 2 h / 760 Torr / Ambient temperature View Scheme