1256911-52-0
(2R,3S)-4-(tert-butyldimethylsilyl)oxy-2,3-isopropylidenedioxybutyl acetate
→
1256911-54-2
(E,4R,5S)-6-(tert-butyldimethylsilyl)oxy-4,5-isopropylidenedioxy-2-hexenol