3-[(3aS,4R,6R,7aS)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yl]-propan-1-ol

[(3aS,4R,6R,7aS)-6-(3-Benzyloxy-propyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-4-ylmethoxy]-tert-butyl-diphenyl-silane