(R)-ethyl 5-(tert-butyldimethylsilyl)oxy-4-methyl-pentanoate

(4R,5S)-3-((R)-5-Benzyloxy-2-methyl-pentanoyl)-4-methyl-5-phenyl-oxazolidin-2-one

(2'R,4R)-4-benzyl-3-(5'-benzyloxy-2'-methylpentanoyl)oxazolidin-2-one

(E)-(R)-5-(tert-Butyl-diphenyl-silanyloxy)-4-methyl-pent-2-enoic acid ethyl ester

(R,E)-ethyl 5-(tert-butyldimethylsilyl)oxy-4-methyl-2-pentenoate