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Comparison of hydrolysis of pivaloyl and 4-acetoxy-2,2-dimethylbutanoyl esters (ADMB)
| Substrate | Equiv of DBU | Time (h) | ROH yield (%) | ||
|---|---|---|---|---|---|
| 4 |  |
4a P = Piv | 0.5 | 24 | 0 |
| 4b P = ADMB | 0.5 | 0.5 | 100 | ||
| 4b P = ADMB | 0.1 | 2 | 100 | ||
| 5 |  |
5a P = Piv | 0.5 | 10 | 12 |
| 5b P = ADMB | 0.5 | 1 | 100 | ||
| 5b P = ADMB | 0.1 | 3 | 100 | ||
| 6 |  |
6a P = Piv | 0.5 | 24 | 0 |
| 6b P = ADMB | 0.1 | 3 | 98 | ||
| 7 |  |
7a P = Piv | 0.5 | 2 | 30 |
| 7a P = Piv | 0.5 | 12 | 97 | ||
| 7b P = ADMB | 0.5 | 1 | 99 | ||
