(4S,5R)-2,2-dimethyl-5-(2-oxopropyl)-1,3-dioxolane-4-carboxylic acid

1-((4R,5R)-5-((1-tert-butyl-1,1-dimethylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)propan-2-one

1-((4R,5R)-5-(hydroxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)propane-2-one

[1-((4R,5R)-5-((1-tert-butyl-1,1-dimethylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-ylmethyl)vinyloxy](trimethyl)silane

(4S,5R)-2,2-Dimethyl-5-(2-oxo-propyl)-[1,3]dioxolane-4-carboxylic acid (2-benzyloxy-ethyl)-(6-bromo-benzo[1,3]dioxol-5-ylmethyl)-amide