(3R,4S,5S,6S)-4-tert-butyldimethylsilyloxy-3,5-dimethyl-6-[3-(2-nitrophenylseleno)propyl]tetrahydropyran-2-one

4-tert-butyldimethylsilyloxy-3,5-dimethyl-6-oxotetrahydropyran-2-carbaldehyde

(3R,4S,5S,6R)-4-tert-butyldimethylsilyloxy-6-hydroxymethyl-3,5-dimethyltetrahydropyran-2-one

3-[(2S,3S,4S,5R)-4-tert-butyldimethylsilyloxy-3,5-dimethyl-6-oxotetrahydropyran-2-yl]-(E)-propenal

(3R,4S,5S,6R)-4-tert-butyldimethylsilyloxy-6-tert-butyldimethylsilyloxymethyl-3,5-dimethyltetrahydropyran-2-one