(4S)-4-(but-3-yn-1-yl)-2,2-dimethyl-1,3-dioxolane

Toluene-4-sulfonic acid (R)-1-[2-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-hexyl ester

(S)-(Z)-1-[1'-(triphenylmethyl)-1'H-imidazol-4'-yl]-4,5-O-isopropylidene-pent-1-en-4,5-diol

[2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-ethyl]-phosphonic acid benzyl ester (1R,2R,3R,4R,5S,6R)-3-benzyloxy-2,6-bis-benzyloxymethoxy-4,5-bis-(4-methoxy-benzyloxy)-cyclohexyl ester

3-(2-{(S)-2-[(2S,3S,5R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-1-methyl-ethyl}-[1,3]dioxolan-2-yl)-1-{2-[2-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-[1,3]dithian-2-yl}-propan-1-one