| Entry | Additives/equiv. | Slovent | Time/h | Yield/% |
| 1 | CHP (2.0) | 无水EtOH | 1.5 | 91 |
| 2 | BPO (2.0) | 无水EtOH | 4 | 97 |
| 3 | DTB (2.0) | 无水EtOH | 8 | 53 |
| 4 | TEMPO (2.0) | 无水EtOH | 1.5 | 28 |
| 5 | AIBN (2.0) | 无水EtOH | 1 | 20 |
| 6 | TBHP (2.0) | 无水EtOH | 24 | 15 |
| 7 | H2O2 (2.0) | 无水EtOH | 1 | 75 |
| 8 | BPO (1.2) | 无水EtOH | 8 | 97 |
| 9 | BPO (1.0) | 无水EtOH | 8 | 95 |
| 10 | BPO (0.8) | 无水EtOH | 8 | 89 |
| 11 | BPO (0.7) | 无水EtOH | 8 | 85 |
| 12 | BPO (0.6) | 无水EtOH | 6 | 77 |
| 13 | BPO (0.5) | 无水EtOH | 8 | 69 |
| 14 | BPO (1.0) | 1,4-Dioxane | 8 | 94 |
| 15 | BPO (1.0) | CH3CN | 4 | 93 |
| 16 | BPO (1.0) | THF | 4 | 79 |
| 17 | BPO (1.0) | Toluene | 24 | 85 |
| 18 | BPO (1.0) | CH2Cl2 | 24 | 78 |
| 19 | BPO (1.0) | Ethyl acetate | 24 | 88 |