Table 2.
Cleavage of 4-Trifluoromethylbenzenepropargyl Ethers
 | ||
|---|---|---|
| Entry | Deprotected Product | Yield a |
| 1 |  |
85% |
| 2 |  |
67% |
| 3 |  |
63% |
| 4 |  |
61% |
| 5 |  |
60% |
| 6 |  |
59% |
| 7 |  |
55% |
a
Isolated yields after column chromatography
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