-
-
2,2-Dimethyl-propionic acid (4S,5S)-5-((4aR,6R,7R,7aS)-7-benzyloxy-2,2-dimethyl-tetrahydro-furo[3,2-d][1,3]dioxin-6-yl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester
-
2,2-Dimethyl-propionic acid (4S,5S)-5-((4aR,6S,7R,7aS)-2,2-dimethyl-7-triethylsilanyloxy-tetrahydro-furo[3,2-d][1,3]dioxin-6-yl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester
-
2-[(3aS,4S,5aR,6S,7R,8aR,8bR)-6-Methoxymethoxy-2,2-dimethyl-7-(2-trityloxy-ethyl)-hexahydro-[1,3]dioxolo[4,5]furo[2,3-b]pyran-4-yl]-ethanol
-