3,4-Di-O-acetyl-L-fucal is a glycal precursor that has been used in the palladium-catalyzed stereoselective synthesis of glycosides.1 It has also been used as a precursor in the copper-catalyzed stereoselective synthesis of 2-deoxyglycosides.2
1.Pal, K.B., Lee, J., Das, M., et al.Palladium(II)-catalyzed stereoselective synthesis of C-glycosides from glycals with diaryliodonium saltsOrg. Biomol. Chem.18(12)2242-2251(2020) 2.Palo-Nieto, C., Sau, A., Jeanneret, R., et al.Copper reactivity can be tuned to catalyze the stereoselective synthesis of 2-deoxyglycosides from glycalsOrg. Lett.22(5)1991-1996(2020)