Effect of various parameters on the oxidation of ethylbenzene over LDH-[NAPABA–Cu(ii)]a.
| Entry | Substrate : oxidant ratio | Catalyst amount (mg) | Temperature (K) | Conversion (%) | Selectivity of products | TON | ||
|---|---|---|---|---|---|---|---|---|
| Bz | AP | BA | ||||||
| 1 | 1 : 1 | 100 | 393 | 45.9 | 0.37 | 94.57 | 7.06 | 417 |
| 2 | 1 : 2 | 100 | 393 | 67.5 | 0.24 | 99.49 | 0.27 | 613 |
| 3 | 1 : 3 | 100 | 393 | 80.5 | 0.16 | 99.60 | 0.24 | 732 |
| 4 | 1 : 3 | 75 | 393 | 73.0 | 0.15 | 99.28 | 0.57 | 879 |
| 5 | 1 : 3 | 50 | 393 | 65.7 | 0.23 | 99.24 | 0.53 | 1195 |
| 6 | 1 : 3 | 100 | 373 | 77.5 | 0.35 | 99.41 | 0.24 | 703 |
| 7 | 1 : 3 | 100 | 353 | 69.6 | 0.51 | 99.22 | 0.27 | 632 |
a
AP: acetophenone, Bz: benzaldehyde, BA: benzoic acid; *72% TBHP in ethylbenzene; reaction conditions: ethylbenzene (13 mmol); TBHP (39 mmol), temperature (393 K), time 7 h.