| R1停留时间(min) | R2反应温度(℃) | NaOH溶液的通入流速(uL/min) | 总收率(%) |
| 30 | 30 | 48 | 26 |
| 30 | 40 | 48 | 39 |
| 30 | 50 | 48 | 45 |
| 30 | 60 | 48 | 34 |
| 30 | 70 | 48 | 10 |