(4S,6S)-4-{[(4R,4R)-4-(dimethylphenylsilyl)-6-oxo-3,4,5,6-tetrahydro-2H-pyran-2-yl]methyl}-6-(iodomethyl)-1,3-dioxan-2-one

tert-butyl {(R)-1-[(2R,4R)-4-(dimethylphenylsilyl)-6-oxo-3,4,5,6-tetrahydro-2H-pyran-2-yl]pent-4-en-2-yl}carbonate

(4R,6R)-4-(dimethylphenylsilyl)-6-{[(4S,6S)-2,2-dimethyl-6-(phenylsulfanylmethyl)-1,3-dioxan-4-yl]methyl}-3,4,5,6-tetrahydro-2H-pyran-2-one

(3R,4R,6R)-4-(dimethylphenylsilyl)-6-{[(4S,6S)-2,2-dimethyl-6-(phenylsulfanylmethyl)-1,3-dioxan-4-yl]methyl}-3-[(S)-1-hydroxyhexyl]-3,4,5,6-tetrahydro-2H-pyran-2-one