methyl 6-bromo-2,4-bis-(O-tert-butyldimethylsilyl)-3-O-[3-{(tert-butyldimethylsilyl)oxy}propyl]-6-deoxy-α-D-altropyranoside

methyl 4,6-O-benzylidene-2,3-anhydro-β-mannopyranoside

methyl 6-bromo-3-O-[3-{(tert-butyldimethylsilyl)oxy}propyl]-6-deoxy-α-D-altropyranoside

(2R,3S,4R)-4-[(t-butyldimethylsilyl)oxy]-3-[3-{(t-butyldimethylsilyl)oxy}propoxy]hex-5-ene-1,2-diol

(R)-2-{(1S,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-[3-(tert-butyl-dimethyl-silanyloxy)-propoxy]-but-3-enyl}-oxirane