Table 4.

Nickel-Catalyzed Conversion of Oligosaccharide Acetimidates.^[a]

Entry	Acetimidates	Products	Yield (%)/[e] (α:β)[f]
1			83[b] (33:1)
2			84[b] (α only)
3			85[c] (α only)
4			91[c] (α only)
5			67[d] (α only)

^[a]The rearrangements were performed at 0.2 M in CH₂Cl₂ with 2 mol% of Ni(dppe)(OTf)₂.

^[b]The reaction was complete within 2 h.

^[c]The reaction was complete within 1 h.

^[d]The reaction was complete within 4 h.

^[e]Isolated Yield.

^[f]1H NMR ratio.