| Entry | R | Yield [%] | Dr | ee [%] |
| 1 | 5-H | 89 | 17:1 | 99 |
| 2 | 5-Me | 63 | 13:1 | 98 |
| 3 | 5-OMe | 58 | 10:1 | 96 |
| 4 | 5-F | 86 | >20:1 | 98 |
| 5 | 5-Cl | 92 | >20:1 | 98 |
| 6 | 5-Br | 94 | >20:1 | 98 |
| 7 | 5-I | 91 | >20:1 | 97 |
| 8 | 5-NO2 | 98 | >20:1 | 98 |
| 9 | 5-OCF3 | 92 | >20:1 | 96 |
| 10 | 6-Cl | 94 | >20:1 | 97 |