Entry | Solvent | T (oC) | Yieldb) (%) |
1 | H2O | 70 | 53 |
2 | - | 70 | 72 |
3 | - | 90 | 92 |
4c | - | 90 | 91 |
5d | - | 90 | 76 |
6c,e | - | 90 | 75 |