Table 4.
Comparative study of FeIII catalysts in Ferrier rearrangements.
| No. | Catalyst | Time [min] | Yield [%] | α/β |
|---|---|---|---|---|
| 1 | FeCl3 | 120 | 31 | 5:1 |
| 2 | Fe2(SO4)3 | 120 | negligible | nil |
| 3 | Fe(NO3)3 | 120 | 41 | 9:1 |
| 4 | Fe(OTf)3 | 30 | 88 | 10:1 |
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