(E)-(4R,5R)-8-Triisopropylsilanyloxy-5-(2-trityloxy-ethyl)-octa-1,6-diene-4,5-diol

(5S,6S)-6-((E)-2-{(2R,4R,5R)-5-allyl-2-(4-{[tert-butyl(dimethyl)silyl]oxy}phenyl)-4-[2-(trityloxy)ethyl]-[1,3]dioxolan-4-yl}vinyl)-5-ethyl-5,6-dihydro-2H-pyran-2-one

(((E)-3-((2R,4R,5R)-5-allyl-2-(4-((tert-butyldimethylsilyl)oxy)phenyl)-4-(2-(trityloxy)ethyl)-1,3-dioxolan-4-yl)allyl)oxy)triisopropylsilane

ethyl (2Z,4S,5S,6E)-7-{(2R,4R,5R)-5-allyl-2-(4-{[tert-butyl(dimethyl)silyl]oxy}phenyl)-4-[2-(tritylioxy)ethyl]-[1,3]dioxolan-4-yl}-4-ethyl-5-hydroxyhepta-2,6-dienoate