Table 1. Role of Support on Au NPs Catalyzed Aerobic Oxidation of Alcohols^a.

entry	catalyst	Au particle size (nm)	product yield (%)c
1	Au/HT	2.7	99
2	Au/MgO	3.1	71
3	Au/Al2O3	3.6	71
4	Au/TiO2	3.7	14
5	Au/TiO2 + Na2CO3c	3.7	65
6	Au/SiO2	14.0	<1

^aReproduced with permission from ref (253). Copyright 2016 Wiley-VCH.

^bReaction conditions: Au catalyst (0.45 mol %), 1-phenylethanol (1 mmol), toluene (5 mL). Determined by GC analysis.

^cReaction conditions: Au catalyst (0.45 mol %), 1-phenylethanol (1 mmol), toluene (5 mL). Na₂CO₃ (3 mmol).