(-)-(R)-4-benzyl-3-[(2R,3S)-5-(benzyloxy)-3-hydroxy-2-methylpentanoyl]-1,3-oxazolidin-2-one

(2R,3S)-5-(benzyloxy)-3-(tert-butyldimethylsilyloxy)-N-methoxy-N,2-dimethylpentanamide

[(R)-2-(benzyloxy)-3,3-dimethylpent-4-ynyloxy]-tert-butyldimethylsilane

(R)-4-hydroxy-3,3-dimethyl-4,5-dihydro-3H-furan-2-one

(R)-4-(benzyloxy)-3,3-dimethyltetrahydrofuran-2-ol