(4S,6S)-4-(2-Benzyloxy-ethyl)-2,2-dimethyl-6-[2-((S)-toluene-4-sulfinyl)-ethyl]-[1,3]dioxane

(4R,6S)-6-(2-(benzyloxy)ethyl)-4-[(tert-butyl)dimethylsilyloxymethyl]-2,2-dimethyl-1,3-dioxane

[(4S,6S)-6-(2-Benzhydryloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-ylmethoxy]-tert-butyl-dimethyl-silane