Mechanistic probes.
| ||
|---|---|---|
| Entry | Reagents (3 equiv. of each) | Yield 30 (%) |
| 1 | Et3SiH, KOtBu | 58 |
| 2 | KDTBB, Me6Si2, KOtBu | 33 |
| 3 | KDTBB, KOtBu | 0 |
| 4 | Me6Si2, KOtBu | 0 |
| 5 | KOtBu | 0 |
| ||
|---|---|---|
| Entry | Reagents (3 equiv. of each) | Yield 30 (%) |
| 1 | Et3SiH, KOtBu | 58 |
| 2 | KDTBB, Me6Si2, KOtBu | 33 |
| 3 | KDTBB, KOtBu | 0 |
| 4 | Me6Si2, KOtBu | 0 |
| 5 | KOtBu | 0 |