2,3,5-tri-O-benzyl-1,4-dideoxy-1,4-{(S)-[(2S,3S)-2,4-O-isopropylidene-3-(sulfooxy)butyl]episulfonioylidene}-D-arabinitol 在
palladium on activated charcoal
氢气 、
溶剂黄146 作用下,
反应 5.0h,
以82%的产率得到[(2S,3S)-4-[(2R,3S,4S)-3,4-dihydroxy-2-(hydroxymethyl)thiolan-1-ium-1-yl]-1,3-dihydroxybutan-2-yl] sulfate