| Compound | % yield in | |||
| Methanol | Methanol + 2 - 3 drops H2SO4 | Ethanol | Ethanol + 2 - 3 drops H2SO4 | |
| 1 | 58 | 63 | 70 | 81 |
| 2 | 51 | 61 | 73 | 80 |
| 3 | 63 | 74 | 69 | 76 |
| 4 | 68 | 81 | 78 | 93 |