1: 85 percent / aq. acetic acid / tetrahydrofuran / 15 h 2: H2, NaHCO3; / 5percent Pt/C / benzene; ethanol / 24 h 3: NaOH / benzene; methanol / 0.33 h / Ambient temperature 4: 1.) hydrazine, 2.) dianisyl telluroxide / 1.) ethanol, reflux, overnight, 2.) water, CH2Cl2, 1,2-dibromotetrachloroethane, 5 h 5: 82 percent / triethylamine, anthracene / benzene / 1 h / Irradiation View Scheme

With  acetic acid in  tetrahydrofuran 15 h;   

Multi-step reaction with 3 steps 1: 85 percent / aq. acetic acid / tetrahydrofuran / 15 h2: H2, NaHCO3; / 5percent Pt/C / benzene; ethanol / 24 h3: NaOH / benzene; methanol / 0.33 h / Ambient temperature