Reusability in various cycles of recovered ACI/EG in the synthesis of 5a at 40 °C.
| Medium | Yield percentage of isoxazolidine 5a in experiments | ||||
|---|---|---|---|---|---|
| First | Second | Third | Fourth | Fifth | |
| Recovered ACI/EG | 90 | 88 | 88 | 87 | 86 |
| Medium | Yield percentage of isoxazolidine 5a in experiments | ||||
|---|---|---|---|---|---|
| First | Second | Third | Fourth | Fifth | |
| Recovered ACI/EG | 90 | 88 | 88 | 87 | 86 |