Table 6.

Transformation of Trichloroacetamide 14 to α-Urea Glycosides with Amino Acid and Carbohydrate Amine Nucleophiles.^[a]

Entry	Amines	Ureas	Yield (%)[b]
1			85
2			80
3			90
4			66
5			81

^[a]All urea-forming reactions were performed with 2-3 equiv. amine and 3-5 equiv. Cs₂CO₃ at 25 °C in DMF (0.2 M).

^[b]Isolated Yield.