3-O-acetyl-4-deoxy-4-iodo-β-D-fructofuranosyl 2,3,6-tri-O-acetyl-4-chloro-4-deoxy-α-D-glucopyranoside 在
吡啶 、
四氯化碳 、
三苯基膦 作用下,
反应 3.0h,
以89%的产率得到3-O-acetyl-1,6-dichloro-1,4,6-trideoxy-4-iodo-β-D-fructofuranosyl 2,3,6-tri-O-acetyl-4-chloro-4-deoxy-α-D-glucopyranoside