(E)-3-((4R,5S)-2,2-dimethyl-5-((4S,5S)-2,2,5-trimethyl-1,3-dioxolan-4-yl)-1,3-dioxolan-4-yl)prop-2-en-1-ol

(4S,5S)-5-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-propionyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester