tert-butyl(((S,E)-4-((4R,5S,6S)-6-((2R,4S)-4-chloro-4-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)butan-2-yl)-2,2,5-trimethyl-1,3-dioxan-4-yl)-2-methylpent-3-en-1-yl)oxy)dimethylsilane

(4S,5S,6R)-4-((2R,4S)-4-chloro-4-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)butan-2-yl)-6-((S,E)-5-iodo-4-methylpent-2-en-2-yl)-2,2,5-trimethyl-1,3-dioxane