{(R)-3-[(R)-2-(4-Methoxy-phenyl)-[1,3]dioxan-4-yl]-2-methylene-butyl}-trimethyl-silane

(3R,4R,7S)-7-[(2R,3S)-3-(2-Bromo-allyl)-oxiranyl]-7-(tert-butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-4-methyl-5-methylene-heptan-1-ol