1: 88 percent / zinc powder, acetic acid / ethanol / Heating 2: 78 percent / pyridinium chlorochromate / CH2Cl2 / Ambient temperature 3: 65 percent / 1,2-dichloro-benzene / Heating View Scheme

With  acetic acid; zinc in  methanol T=40°C; 14 h;   

Multi-step reaction with 2 steps 1: 95 percent / Zn, AcOH / methanol / 14 h / 40 °C2: 86 percent / PDC / CH2Cl2 / 8 h / Ambient temperature