(E,4S,5S)-ethyl 4-(4-methoxyphenoxy)-5-hydroxy-hex-2-enoate

ethyl (E,4S,5S)-4-(4-methoxyphenoxy)-5-(tert-butyl-dimethyl-siloxy)-hex-2-enoate

(4S,5S)-5-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-propionyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

(4S,5R)-5-[(1S,2S)-2-(tert-Butyl-dimethyl-silanyloxy)-1-hydroxy-propyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid ethyl ester

ethyl (2S,3S,4S,5S)-4-(4-methoxyphenoxy)-5-(tert-butyl-dimethyl-siloxy)-2,3-dihydroxyhexanoate