2,3-O-isopropylidene-5-iodo-D-ribono-1,4-lactone

(4S,5R)-2,2-dimethyl-4-(methanesulfonyloxy)methyl-5-vinyl-1,3-dioxlane

(E)-3-[(4S,5R)-5-((S)-1-Hydroxy-2-iodo-ethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-acrylic acid tert-butyl ester

(2R,3R)-2,3-O-isopropylidene-pent-4-enoic acid dipropylamide

(2R,3R)-2,3-dihydroxy-pent-4-enoic acid dipropylamide

(S)-2-((3R,4S,5R)-5-Benzyloxy-3,4-dihydroxy-2-oxo-piperidin-1-yl)-4-methyl-pentanoic acid tert-butyl ester

(3aS,6R,6aS)-2,2,6-Trimethyl-dihydro-furo[3,4-d][1,3]dioxol-4-one

(3aR,6R,6aR)-2,2,6-trimethyltetrahydro-2H-furo(3,4-d)(1,3)dioxol-4-ol

(S)-2-[((4R,5R)-2,2-Dimethyl-5-(R)-oxiranyl-[1,3]dioxolane-4-carbonyl)-amino]-4-methyl-pentanoic acid tert-butyl ester

(S)-2-((3aR,7R,7aR)-7-Hydroxy-2,2-dimethyl-4-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyridin-5-yl)-4-methyl-pentanoic acid tert-butyl ester

3-Benzoyl-1-((4S,5R)-2,2-dimethyl-5-vinyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrimidine-2,4-dione

(S)-2-((3aR,7R,7aR)-7-Benzyloxy-2,2-dimethyl-4-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyridin-5-yl)-4-methyl-pentanoic acid tert-butyl ester