(2R,4S,5R)-5-[(1S,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-(tert-butyl-dimethyl-silanyloxymethyl)-but-3-enyloxy]-4-(2-methyl-allyl)-2-phenyl-[1,3]dioxane

(2R,4S,5R)-4-Allyl-5-[(1S,2R)-2-(tert-butyl-dimethyl-silanyloxy)-1-(tert-butyl-dimethyl-silanyloxymethyl)-pent-4-enyloxy]-2-phenyl-[1,3]dioxane

Chloro-methanesulfonic acid (2R,4S,5R)-5-[(1S,2R)-2-(tert-butyl-dimethyl-silanyloxy)-1-(tert-butyl-dimethyl-silanyloxymethyl)-pent-4-enyloxy]-2-phenyl-[1,3]dioxan-4-ylmethyl ester