(E)-(2S,3R)-1-((S)-4-Benzyl-2-thioxo-oxazolidin-3-yl)-3-(tert-butyl-dimethyl-silanyloxy)-2-methyl-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pent-4-en-1-one

(2E)-5-(tert-butyldimethylsiloxy)-2-iodo-2-pentene