Silane,[[(1R,4E)-1-[(1R,3R)-3-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-1-methoxy-3-[(4-methoxyphenyl)methoxy]propyl]-5-iodo-4-hexenyl]oxy](1,1-dimethylethyl)dimethyl-, rel-