| 12 | 2 eq | 2-EHA (20) | 2 eq | PhMe | 50 | 8 | 57 | trace |
| 13 | 2 eq | BzOH (35) | 2 eq | PhMe | 50 | 8 | 53 | trace |
| 14 | 2 eq | BzOH (15) | 2 eq | PhMe | 50 | 8 | 68 | trace |
| 15 | 2 eq | BzOH (10) | 2 eq | PhMe | 50 | 8 | 57 | trace |
| 16 | 3 eq | BzOH (15) | 2 eq | PhMe | 50 | 8 | 79 | trace |
| 17 | 3.5 eq | BzOH (15) | 2 eq | PhMe | 50 | 8 | 90 | nd |
| 18 | 4 eq | BzOH (15) | 2 eq | PhMe | 50 | 8 | 88 | nd |
| 19 | 3.5 eq | BzOH (15) | 2 eq | THF | 50 | 8 | 75 | nd |
| 20 | 3.5 eq | BzOH (15) | 2 eq | EtOH | 50 | 8 | 20 | 26 |
| 21 | 3.5 eq | BzOH (15) | 2 eq | DMF | 50 | 8 | 16 | 28 |