(3S,4R,5R)-3,5-dimethyl-7-(trityloxy)hept-1-en-4-yl acetate

(2R,3R,4R)-2,4-dimethyl-1-oxo-6-(trityloxy)hexan-3-yl acetate

(3S,4R,5R)-1,2-dihydroxy-3,5-dimethyl-7-(trityloxy)heptan-4-yl acetate

(4S)-4,6-bis((tert-butyldimethylsilyl)oxy)hexane-1,2-diol

(R)-4-benzyl-3-((2R,3S,5S)-5,7-bis((tert-butyldimethylsilyl)oxy)-3-hydroxy-2-methylheptanoyl)oxazolidin-2-one