A Convenient Access to β-Glycosides of N-Acetyllactosamine.-Iodoacetoxylation of the hexenitol (I) gives the trans-adduct (III) with high stereoselectivity, which is converted into the trans-azide ( IV). In the presence of an alcohol, a Staudinger reaction at the anomeric azide leads to an iminophosphorane, which rearranges via an aziridine intermediate to the lactosamine glycosides (VII) with double inversion at C-1 and C-2. -(LAFONT, D.; BOULLANGER, P.; CARVALHO, F.; VOTTERO, P.; Carbohydr.
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