Table 3. Examination of Copper-Catalyzed Borylation of Iodobenzenea.
| Cl | Br | I | |
|---|---|---|---|
| CuX | 5% | 7% | <5% |
| i-BuLCuX | 16% | 22% | 41% |
| i-PrLCuX | 16% |
Reported yields were determined by GC/MS analysis vs dodecane as an internal standard. Yields are an average of duplicate runs.
