{1-(6-allyl-2,2-dimethyl-[1,3]dioxan-4-ylmethyl)-2-[6-(2-benzyloxyethyl)-2,2,4-trimethyl-[1,3]dioxan-4-yl]ethoxy}-tert-butyldimethylsilane

1-[6-(2-benzyloxyethyl)-2,2,4-trimethyl-[1,3]dioxan-4-yl]pent-4-en-2-ol

{1-[6-(2-benzyloxyethyl)-2,2,4-trimethyl-[1,3]dioxan-4-ylmethyl]but-3-enyloxy}tert-butyldimethylsilane

1-(6-allyl-2,2-dimethyl-[1,3]dioxan-4-yl)-3-[6-(2-benzyloxyethyl)-2,2,4-trimethyl-[1,3]dioxan-4-yl]propan-2-one

1-(6-allyl-2,2-dimethyl-[1,3]dioxan-4-yl)-3-[6-(2-benzyloxyethyl)-2,2,4-trimethyl-[1,3]dioxan-4-yl]propan-2-ol