Figure 2: Catalytic HDH of halobenzenes in ethanol-water (50/50, v/v) over 5% Pd/C (A) and Raney Ni (B) catalysts with reaction time.

Reaction conditions: ethanol-water (50/50, v/v) (80 mL), each HAC (1.6 mmol), NaOH (0.0704 g, 1.76 mmol), Pd/C (20 mg), Raney Ni (0.12 g), temperature (30 °C), H₂: 10 mL min⁻¹.