Nitrone Cycloadditions to Isolevoglucosenone: Ready Access to a New Class of Directly Linked (1→3)-Imino-<i>C</i>-disaccharides
作者:Francesca Cardona、Andrea Goti、Alberto Brandi
DOI:10.1021/ol0342507
日期:2003.5.1
Straightforward access to a new class of d-gulo- and d-allo-derived directly linked (1-->3)-imino-C-disaccharides by means of cycloaddition reactions of enantiopure polyhydroxylated pyrroline N-oxides with isolevoglucosenone is reported. The cycloaddition reactions display a high level of double asymmetric induction, which allows a partial kinetic resolution of a racemic nitrone. [reaction: see text]