Azidotrimethylsilylation of carbohydrates (monosaccharides and disaccharides) has been achieved in high yields under Mitsunobu conditions. The azidation of carbohydrates is effected at 0° C essentially only at the primary alcoholic position in mono, di-and triols in protected/unprotected glycosides, whereas the remaining secondary hydroxyl groups got silylated. Surprisingly, no azidation of the secondary hydroxyls was observed in all the ...
![(2,2,7,7-Tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)methanol Structure](https://image.chemsrc.com/caspic/222/4064-06-6.png)
![(3aR,5R,5aS,8aS,8bR)-5-(azidomethyl)-2,2,7,7-tetramethyl-5,5a,8a,8b-tetrahydro-3aH-di[1,3]dioxolo[4,5-a:5',4'-d]pyran Structure](https://image.chemsrc.com/caspic/351/4711-00-6.png)