Table 6.
Entry | R1 | R2 | R3 | Yield (%) 2 |
---|---|---|---|---|
1 | Ph | H | 4-Me-Ph | 81 |
2 | Ph | H | 4-OMe-Ph | 85 |
3 | Ph | H | 4-t-Bu-Ph | 79 |
4 | Ph | H | 4-Br-Ph | 55 |
5 | Ph | H | (3-OMe,4-OMe)-Ph | 66 |
6 | Ph | H | 1-naphthalene | 70 |
7 | Ph | H | Bn | 61 |
8 | Ph | H | n-Bu | 83 |
9 | Ph | H | 88 | |
10 | Ph | H | 81 | |
11 | Ph | Cl | 4-Me-Ph | 78 |
12 | Ph | F | 4-Me-Ph | 63 |
13 | 4-F-Ph | H | 4-Me-Ph | 71 |
14 | n-hexyl | H | 4-Me-Ph | 54 |
15 | cyclohexenyl | H | 4-MePh | 42 |
16 | Ph | H | 4-NO2Ph | n.d. |
17 | 4-OMe-Ph | H | 4-Me-Ph | n.d. |
1 Reaction conditions: ketone (0.2 mmol), amine (0.24 mmol), LSA-FAS-Cu2+ (10 mol%), DCE (1 mL), 100 °C, 12 h. 2 Isolated yield.