ethyl 2,6-anhydro-3-deoxy-7,8-O-isopropylidene-D-gluco-D-glycero-octanoate

(2R,4R,5S,6R)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4,5-dihydroxy-tetrahydro-pyran-2-carboxylic acid ethyl ester

3-{(4R,5R)-5-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-1-hydroxy-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-2-diazo-propionic acid ethyl ester

3-{(4R,5S)-5-[(R)-1-Acetoxy-2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-2-hydrazono-propionic acid ethyl ester

(Z)-2-Acetoxy-3-{(4R,5S)-5-[(R)-1-acetoxy-2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-acrylic acid ethyl ester