(2R,4aR,6R,7S,8S,8aR)-6-Allyl-7,8-bis-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine

[(2R,4aR,6R,7S,8S,8aR)-7,8-Bis-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-acetaldehyde

3-[(2R,4aR,6R,7S,8S,8aR)-7,8-Bis-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-propane-1,2-diol