1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-4-O-benzoyl-6-bromo-6-deoxy-α-D-glucopyranosyl)-β-D-glucopyranose 在
吡啶 、
氢氟酸 作用下,
反应 0.75h,
以51%的产率得到Benzoic acid (2S,3S,4S,5R,6S)-4,5-diacetoxy-2-bromomethyl-6-((2R,3R,4S,5R,6R)-4,5-diacetoxy-2-acetoxymethyl-6-fluoro-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-3-yl ester