(4aR,6S,7R,8aS)-7-(benzyloxy)-6-(2-(benzyloxy)ethyl)-2,2-di-tert-butylhexahydropyrano[3,2-d][1,3,2]dioxasiline

(2R,4aR,6S,7R,8aS)-7-(benzyloxy)-6-(2-(benzyloxy)ethyl)-2-(4-methoxyphenyl)hexahydropyrano[3,2-d][1,3]dioxine

(E)-4-[(2R,4S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-2-phenyl-[1,3]dioxan-4-yl]-but-2-enoic acid methyl ester

(E)-4-[(2R,4S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-2-phenyl-[1,3]dioxan-4-yl]-but-2-en-1-ol

(4aR,6S,7R,8aS)-6-(2-Hydroxy-ethyl)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol