5-acetamido-4-azido-2,3,4,5-tetradeoxy-8,9-O-isopropylidene-D-glycero-D-galacto-non-2-enopyranosoic acid 、
正己醇 在
三正丁胺 、 2-bromo-1-ethylpyridin-1-ium tetrafluoroborate 作用下,
以
formamide 为溶剂,
反应 6.0h,
以44%的产率得到hexyl 5-acetamido-4-azido-2,3,4,5-tetradeoxy-8,9-O-isopropylidene-D-glycero-D-galacto-non-2-enopyranosoate