5-methoxycarbonylpentyl 2-O-acetyl-4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranosyl(1→2) 4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranosyl (1→3) 2-O-acetyl-4-azido-4,6-dideoxy-α-D-mannopyranosyl (1→2) 4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranosyl(1→2) 4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以86%的产率得到5-methoxycarbonylpentyl 4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranosyl (1→2) 4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranosyl (1→3) 4-azido-4,6-dideoxy-α-D-mannopyranosyl(1→2) 4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranosyl (1→2) 4-azido-3-O-benzyl-4,6-dideoxy-α-D-mannopyranoside