| R1停留时间(min) | R2反应温度(℃) | NaOH溶液的通入流速(uL/min) | 总收率(%) |
| 10 | 50 | 48 | 20 |
| 20 | 50 | 48 | 33 |
| 30 | 50 | 48 | 45 |
| 40 | 50 | 48 | 46 |
| 50 | 50 | 48 | 45 |