N-(benzyl)-benzyloxycarbonyl-5-aminopentyl O-[(methyl 2-O-acetyl-3-O-benzyl-4-O-(9-fluorenylmethoxycarbonyl)-β-D-glucopyranosyluronate)-(1->4)-O-(2-azido-3-O-benzyl-2-deoxy-6-O-levulinoyl-α-D-glucopyranoside)-(1->4)-O-(methyl 2-O-acetyl-3-O-benzyl-α-L-idopyranosyluronate)-(1->4)-O-(2-azido-3-O-benzy-2-deoxy-6-O-levulinoyl-α-D-glucopyranoside)-(1->4)-O-(methyl 2-O-acetyl-3-O-benzyl-β-D-glucopyranosyluronate)]-(1->4)-O-2-azido-3-O-benzyl-2-deoxy-6-O-levulinoyl-α-D-glucopyranoside 在
乙酸肼 作用下,
以
乙醇 、
甲苯 为溶剂,
以90%的产率得到