methyl 4-C-[(3S,4R)-4-{6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl}oxy-3-(methoxycarbonyl)pyrrolidin-1-yl]methyl-3-O-benzyl-2-O-(benzyloxycarbonyl)amino-6-O-tertbutyldimethylsilyl-2,4-dideoxy-α-D-glucopyranoside 在
甲酸 作用下,
以
四氢呋喃 为溶剂,
反应 5.0h,
以78%的产率得到methyl 4-C-[(3S,4R)-4-{6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl}oxy-3-(methoxycarbonyl)pyrrolidin-1-yl]methyl-3-O-benzyl-2-O-(benzyloxycarbonyl)amino-2,4-dideoxy-α-D-glucopyranoside