
|
---|
Entry | Amine | Product | Time (h) | Yield (%) | TON | TOF (h−1) |
---|
1 | 
| 
| 1 | 98 | 26.48 | 26.48 |
2 | 
| 
| 1.5 | 98 | 26.48 | 17.65 |
3 | 
| 
| 1.5 | 98 | 26.48 | 17.65 |
4 | 
| 
| 1.5 | 97 | 26.21 | 17.48 |
5 | 
| 
| 2.5 | 97 | 26.21 | 10.48 |
6 | 
| 
| 3 | 88 | 23.78 | 7.92 |
7 | 
| 
| 5 | 85 | 22.97 | 4.59 |
- Reaction conditions: 2,5-Dimethoxy tetrahydrofuran (1.2 mmol), amine (1 mmol), water (4 mL), and Humin-SO3H (0.01 g) were stirred at 80 ℃