1-((3aS,4S,7S,7aR)-7-((4R,5S,E)-5-((tert-butyldimethylsilyl)oxy)-4-methylhex-2-en-1-yl)-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yl)propan-2-ol