[(E)-(S)-1-(2-Benzyloxy-ethyl)-7-iodo-4-methyl-hept-4-enyloxy]-tert-butyl-dimethyl-silane

((E)-(S)-1-(2-Benzyloxy-ethyl)-7-{2-[3-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-propyl]-[1,3]dithian-2-yl}-4-methyl-hept-4-enyloxy)-tert-butyl-dimethyl-silane

(E)-(S)-13-Benzyloxy-11-(tert-butyl-dimethyl-silanyloxy)-1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-8-methyl-tridec-7-en-4-one