Table 2. Control Experiments over 0.43% Au/NiAlO-2-500 and 0.44% Au/NiAlO-4-500^a.

	conversion (%)
catalysts	styreneb	styrenec	nitrobenzenec
0.43% Au/NiAlO-2-500	0.1	1.7	100.0
0.44% Au/NiAlO-4-500	97.2	51.0	4.4

^aReaction conditions: p(H₂) = 1.0 MPa; T = 100 °C; catalyst 0.1 g; toluene 5 mL; stirring speed = 500 rpm; and reaction time 4 h.

^bSubstrate: 89.93 μL of styrene.

^cSubstrate: 89.93 μL of styrene and 80.28 μL of nitrobenzene.