Methyl 2-methoxy- and 2-tert-butoxycarbonylamino-2-deoxyglycosides were obtained from methyl 2-carbamoyl-2-deoxyglycosides via Hofmann rearrangement with sodium methoxide/bromine/methanol or sodium hydroxide/sodium bromite/methanol or lead tetraacetate tert-butyl alcohol/dimethylformamide.