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Lithium-Boron Test Reaction Conditions.
 | |||
| Entry | Electrophile (equiv) | Solvent | Yield (%) |
| 1 | B(OMe)3 (1.5) | THF | 18 |
| 2 | B(OiPr)3 (1.5) | THF | 47 |
| 3 | BF3.OEt2 (1.5) | THF | - |
| 4 | B(OiPr)3 (1.5) | THF/HMPA | 25 |
| 5 | B(OiPr)3 (1.5) | THF/TMEDA | - |
| 6 | B(OiPr)3 (1.5) | Et2O | 51 |
| 7 | B(OiPr)3 (1.5) | Et2O | 15 |
