(2R,4S)-1-Azido-4-methyl-5-triisopropylsilanyloxy-pentan-2-ol

(R)-2,2-Dimethyl-5-((S)-2-methyl-3-phenylsulfanyl-propyl)-oxazolidine-3-carboxylic acid tert-butyl ester

((2R,4S)-2-Hydroxy-4-methyl-5-triisopropylsilanyloxy-pentyl)-carbamic acid tert-butyl ester

(R)-2,2-Dimethyl-5-((S)-2-methyl-3-triisopropylsilanyloxy-propyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-5-{(S)-6-[(1S,2R)-1,2-Dimethyl-6-oxo-2-(2-oxo-ethyl)-cyclohexyl]-2-methyl-4-oxo-hexyl}-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester