methyl 5-(2,2,3,3,3-pentafluoropropionamido)-4-(piperidin-1-yl)-7,8,9-tri-O-acetyl-3,4,5-trideoxy-D-glycero-β-D-galacto-non-2-ulopyranosidonate 在
三氟乙酸酐 、
三氟乙酸 作用下,
以
乙腈 为溶剂,
反应 0.25h,
以81%的产率得到methyl 2,6-anhydro-5-(2,2,3,3,3-pentafluoropropionamido)-4-(piperidin-1-yl)-7,8,9-tri-O-acetyl-3,4,5-trideoxy-D-glycero-D-galacto-non-2-enonate