(2R,3R,4S)-1-Benzyloxy-2,4-dimethyl-hex-5-yn-3-ol

(2R,3R,4S)-(-)-1-(tert-butyldimethylsilyloxy)-2,4-dimethyl-5-hexyn-3-ol

(2R,3R,4S)-(-)-1,3-bis(tert-butyldimethylsilyloxy)-2,4-dimethyl-5-hexyne

(2S,3R,4S)-1-((S)-4-Benzyl-2-thioxo-oxazolidin-3-yl)-3-hydroxy-2,4-dimethyl-hexan-1-one

(2S,3R,4S)-1-((S)-4-Benzyl-2-thioxo-oxazolidin-3-yl)-3-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethyl-hexan-1-one