Table 1.
| |||||
---|---|---|---|---|---|
entry | imine | R1 | R2 | product | yield |
1 | 1a | Ph | Ph | 2a | 90% |
2 | 1b | p-MeOC6H4 | 2b | 75% | |
3 | 1c | Bn | 2c | 78% | |
4 | 1d | CH2-o-MeOC6H4 | 2d | 69% | |
5 | 1e | n-Bu | 2e | 76% | |
6 | 1f | 2-furyl | Bn | 2f | 55% |
7 | 1g | i-Pr | Bn | 2g | 40% |
8 | 1h | n-C7H15 | Bn | 2h | 60% |