(4S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-4-hydroxy-hex-2-ynoic acid methyl ester

(Z)-(4S,5S)-5-Carbamoyloxy-4-triethylsilanyloxy-hex-2-enoic acid methyl ester

((4S,5S,6S)-6-Methyl-2-oxo-5-triethylsilanyloxy-[1,3]oxazinan-4-yl)-acetic acid methyl ester

(4R,5S)-2,2,5-trimethyl-1,3-dioxolane-4-carbaldehyde