Silane,[[(1S,2E,4R)-1-[(4R,5R)-2,2-dimethyl-4-[(1R)-1-methyl-2-propenyl]-1,3-dioxan-5-yl]-5-[(4-methoxyphenyl)methoxy]-2,4-dimethyl-2-pentenyl]oxy]diethyl(1-methylethyl)-