phenyl 4-O-[2,3,4-tri-O-benzyl-6-O-[9-fluorenylmethoxycarbonyl]-α-D-glucopyranosyl]-6-O-methyl-6-oxy-2-azido-3-O-benzyl-2-deoxy-1-thio-β-D-mannopyranoside 、
methyl 6-O-(4-O-[2,3,4-tri-O-benzyl-α-D-glucopyranosyl]-6-O-methyl-6-oxy-2-azido-3-O-benzyl-2-deoxy-β-D-mannopyranosyl)-2,3,4-tri-O-benzyl-α-D-glucopyranoside 在
三叔丁基膦 、
三氟甲磺酸酐 、
二苯基亚砜 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以65%的产率得到methyl 6-O-(4-O-[6-O-[4-O-(2,3,4-tri-O-benzyl-6-O-[9-fluorenylmethoxycarbonyl]-α-D-glucopyranosyl)-6-O-methyl-6-oxy-2-azido-3-O-benzyl-2-deoxy-β-D-mannopyranosyl]-2,3,4-tri-O-benzyl-α-D-glucopyranosyl]-6-O-methyl-6-oxy-2-azido-3-O-benzyl-2-deoxy-β-D-mannopyranosyl)-2,3,4-tri-O-benzyl-α-D-glucopyranoside