Table 1. MPV Reduction of Cyclohexanone Catalyzed by As-prepared Ce-Containing LDH and Benchmark Catalystsa.
| catalyst | cyclohexanone conversion (mol %)b | selectivity (mol %)c | cyclohexanol yield (mol %)d | |
|---|---|---|---|---|
| 1 | <1 | |||
| 2 | MgAlCe0.05–LDHe | 10 ± 1 | 100 | 10 ± 0.9 |
| 3 | MgAl–LDHe | <1 | ||
| 4 | Cal. MgAl–LDHf | 13 ± 0.8 | 100 | 13 ± 1.0 |
| 5 | Reh. MgAl–LDHg | 11 ± 0.7 | 100 | 11 ± 0.5 |
| 6 | CeO2 | 4 ± 1 | 83 | 3 ± 0.4 |
| 7 | NP CeO2h | 7 ± 1 | 98 | 7 ± 0.7 |
| 8 | ZrO2 | 35 ± 2 | 99 | 35 ± 0.9 |
| 9 | Hyd. ZrO2i | 45 ± 1 | 99 | 45 ± 1.4 |
| 10 | MgO | 6 ± 0.5 | 100 | 6 ± 0.4 |
(Reaction conditions: c(cyclohexanone) = 0.5 M; V(2-propanol) = 4 mL; m(catalyst) = 100 mg; T = 65 °C; t = 5 h under N2 atmosphere.).
Determined by UV–vis spectroscopy (n → π*; λ = 270 nm).
Calculated: [(yield/conversion) × 100%].
Determined by NMR spectroscopy.
Modified coprecipitation (detailed recipe can be seen in Supporting Information).
Calcined (T = 500 °C).
Calcined-rehydrated.
CeO2 nanoparticles.
Hydrated ZrO2.
