1: 15 percent Chromat. / 1) Br(CH2)2Br, Li (with 1percent Na), 2) 85percent H3PO4 / tetrahydrofuran / 0.17 h / 66 °C / 1) THF, 66 deg C, 10 min, 2) toluene, reflux, 2 h 2: 91 percent / H2 / 10percent Pd/C / ethanol View Scheme