(R)-3-[(2R,3S,4S)-3-[(tert-butyldimethylsilanyl)oxy]-5-hydroxy-2,4-dimethylpentanoyl]-4-isopropyl-5,5-diphenyloxazolidin-2-one

(R)-3-[(2R,3S,4S)-5-hydroxy-2,4-dimethyl-3-(triethylsilanyloxy)pentanoyl]-4-isopropyl-5,5-diphenyloxazolidin-2-one

(2R)-N-Boc-2-amino-1,1-diphenyl-3-methylbutanol

(4R)-N-Propionyl-5,5-diphenyl-4-isopropyloxazolidin-2-one

(R)-3-[(2R,3R)-3-hydroxy-2,4-dimethylpent-4-enoyl]-4-isopropyl-5,5-diphenyloxazolidin-2-one