2,3,4,6-di-O-isopropyIidene-1-tert-butyl-dimethylsiIyl-5-hydroxy-L-iditol

(S)-4-((4R,5S)-5-(((tert-butyldimethylsilyl)oxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyl-1,3-dioxan-5-one

tert-butyl(((4S,5S)-5-((R)-2,2-dimethyl-5-methylene-1,3-dioxan-4-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)dimethylsilane

((4S,5S)-5-((R)-2,2-dimethyl-5-methylene-1,3-dioxan-4-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol

(R)-1-((4S,5S)-5-((R)-2,2-dimethyl-5-methylene-1,3-dioxan-4-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)ethan-1-ol