tert-Butyl-[(1S,3S)-1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-3-methyl-4-(2-methyl-[1,3]dithian-2-yl)-butoxy]-diphenyl-silane

(2R,3R)-3,4-O-isopropylidene-2-[(tert-butyldimethylsilyl)oxy]-3,4-dihydroxybutanal