(5S,6S)-6-((E)-2-{(2R,4R,5R)-2-(4-{[tert-butyl(dimethyl)silyl]oxy}phenyl)-5-(2,3-dihydroxypropyl)-4-[2-(trityloxy)ethyl]-[1,3]dioxolan-4-yl}vinyl)-5-ethyl-5,6-dihydro-2H-pyran-2-one

(4-hydroxymethyl-2,2-dimethyl-[1,3]-dioxan-4-yl)-methanol

[(4R)-4-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2,2-dimethyl-[1,3]dioxan-4-yl]methyl acetate

(R)-2,2-Dimethyl-4-((E)-3-triisopropylsilanyloxy-propenyl)-[1,3]dioxane-4-carbaldehyde

ethyl (2E)-3-[(4R)-4-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2,2-dimethyl-[1,3]dioxan-4-yl]acrylate