benzyl (4-methylcoumarin-7-yl 5-acetamido-7,8-di-O-acetyl-3,5-dideoxy-α-D-glycero-D-galacto-2-nonulopyranosid)onate 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以80%的产率得到4-methylcoumarin-7-yl 5-acetamido-7,8-di-O-acetyl-3,5-dideoxy-α-D-glycero-D-galacto-2-nonulopyranosidonic acid