Nucleophilic displacements on talopyranoside 4-sulphonate derivatives
Abstract
The azide displacement reaction on methyl 6-deoxy-4-O-methanesulphonyl-2,3-di-O-methyl-α-L-talopyranoside (V) yielded the azide (IX) and the unsaturated sugars (VII) and (VIII) in the approximate ratio of 4 : 5 : 1.